syngas ysngas snygas nsygas ynsgas nysgas sygnas ysgnas sgynas gsynas ygsnas gysnas sngyas nsgyas sgnyas gsnyas ngsyas gnsyas yngsas nygsas ygnsas gynsas ngysas gnysas synags ysnags snyags nsyags ynsags nysags syangs ysangs sayngs asyngs yasngs aysngs snaygs nsaygs sanygs asnygs nasygs ansygs ynasgs nyasgs yansgs aynsgs naysgs anysgs sygans ysgans sgyans gsyans ygsans gysans syagns ysagns saygns asygns yasgns aysgns sgayns gsayns sagyns asgyns gasyns agsyns ygasns gyasns yagsns aygsns gaysns agysns sngays nsgays sgnays gsnays ngsays gnsays snagys nsagys sangys asngys nasgys ansgys sganys gsanys sagnys asgnys gasnys agsnys ngasys gnasys nagsys angsys gansys agnsys yngass nygass ygnass gynass ngyass gnyass ynagss nyagss yangss ayngss naygss anygss yganss gyanss yagnss aygnss gaynss agynss ngayss gnayss nagyss angyss ganyss agnyss syngsa ysngsa snygsa nsygsa ynsgsa nysgsa sygnsa ysgnsa sgynsa gsynsa ygsnsa gysnsa sngysa nsgysa sgnysa gsnysa ngsysa gnsysa yngssa nygssa ygnssa gynssa ngyssa gnyssa synsga ysnsga snysga nsysga ynssga nyssga sysnga yssnga ssynga ssynga yssnga sysnga snsyga nssyga ssnyga ssnyga nssyga snsyga ynssga nyssga ysnsga synsga nsysga snysga sygsna ysgsna sgysna gsysna ygssna gyssna sysgna yssgna ssygna ssygna yssgna sysgna sgsyna gssyna ssgyna ssgyna gssyna sgsyna ygssna gyssna ysgsna sygsna gsysna sgysna sngsya nsgsya sgnsya gsnsya ngssya gnssya snsgya nssgya ssngya ssngya nssgya snsgya sgsnya gssnya ssgnya ssgnya gssnya sgsnya ngssya gnssya nsgsya sngsya gsnsya sgnsya yngssa nygssa ygnssa gynssa ngyssa gnyssa ynsgsa nysgsa ysngsa syngsa nsygsa snygsa ygsnsa gysnsa ysgnsa sygnsa gsynsa sgynsa ngsysa gnsysa nsgysa sngysa gsnysa sgnysa synasg ysnasg snyasg nsyasg ynsasg nysasg syansg ysansg saynsg asynsg yasnsg aysnsg snaysg nsaysg sanysg asnysg nasysg ansysg ynassg nyassg yanssg aynssg nayssg anyssg synsag ysnsag snysag nsysag ynssag nyssag sysnag yssnag ssynag ssynag yssnag sysnag snsyag nssyag ssnyag ssnyag nssyag snsyag ynssag nyssag ysnsag synsag nsysag snysag syasng ysasng saysng asysng yassng ayssng sysang yssang ssyang ssyang yssang sysang sasyng assyng ssayng ssayng assyng sasyng yassng ayssng ysasng syasng asysng saysng snasyg nsasyg sansyg asnsyg nassyg anssyg snsayg nssayg ssnayg ssnayg nssayg snsayg sasnyg assnyg ssanyg ssanyg assnyg sasnyg nassyg anssyg nsasyg snasyg asnsyg sansyg ynassg nyassg yanssg aynssg nayssg anyssg ynsasg nysasg ysnasg synasg nsyasg snyasg yasnsg aysnsg ysansg syansg asynsg saynsg nasysg ansysg nsaysg snaysg asnysg sanysg sygasn ysgasn sgyasn gsyasn ygsasn gysasn syagsn ysagsn saygsn asygsn yasgsn aysgsn sgaysn gsaysn sagysn asgysn gasysn agsysn ygassn gyassn yagssn aygssn gayssn agyssn sygsan ysgsan sgysan gsysan ygssan gyssan sysgan yssgan ssygan ssygan yssgan sysgan sgsyan gssyan ssgyan ssgyan gssyan sgsyan ygssan gyssan ysgsan sygsan gsysan sgysan syasgn ysasgn saysgn asysgn yassgn ayssgn sysagn yssagn ssyagn ssyagn yssagn sysagn sasygn assygn ssaygn ssaygn assygn sasygn yassgn ayssgn ysasgn syasgn asysgn saysgn sgasyn gsasyn sagsyn asgsyn gassyn agssyn sgsayn gssayn ssgayn ssgayn gssayn sgsayn sasgyn assgyn ssagyn ssagyn assgyn sasgyn gassyn agssyn gsasyn sgasyn asgsyn sagsyn ygassn gyassn yagssn aygssn gayssn agyssn ygsasn gysasn ysgasn sygasn gsyasn sgyasn yasgsn aysgsn ysagsn syagsn asygsn saygsn gasysn agsysn gsaysn sgaysn asgysn sagysn sngasy nsgasy sgnasy gsnasy ngsasy gnsasy snagsy nsagsy sangsy asngsy nasgsy ansgsy sgansy gsansy sagnsy asgnsy gasnsy agsnsy ngassy gnassy nagssy angssy ganssy agnssy sngsay nsgsay sgnsay gsnsay ngssay gnssay snsgay nssgay ssngay ssngay nssgay snsgay sgsnay gssnay ssgnay ssgnay gssnay sgsnay ngssay gnssay nsgsay sngsay gsnsay sgnsay snasgy nsasgy sansgy asnsgy nassgy anssgy snsagy nssagy ssnagy ssnagy nssagy snsagy sasngy assngy ssangy ssangy assngy sasngy nassgy anssgy nsasgy snasgy asnsgy sansgy sgasny gsasny sagsny asgsny gassny agssny sgsany gssany ssgany ssgany gssany sgsany sasgny assgny ssagny ssagny assgny sasgny gassny agssny gsasny sgasny asgsny sagsny ngassy gnassy nagssy angssy ganssy agnssy ngsasy gnsasy nsgasy sngasy gsnasy sgnasy nasgsy ansgsy nsagsy snagsy asngsy sangsy gasnsy agsnsy gsansy sgansy asgnsy sagnsy yngass nygass ygnass gynass ngyass gnyass ynagss nyagss yangss ayngss naygss anygss yganss gyanss yagnss aygnss gaynss agynss ngayss gnayss nagyss angyss ganyss agnyss yngsas nygsas ygnsas gynsas ngysas gnysas ynsgas nysgas ysngas syngas nsygas snygas ygsnas gysnas ysgnas sygnas gsynas sgynas ngsyas gnsyas nsgyas sngyas gsnyas sgnyas ynasgs nyasgs yansgs aynsgs naysgs anysgs ynsags nysags ysnags synags nsyags snyags yasngs aysngs ysangs syangs asyngs sayngs nasygs ansygs nsaygs snaygs asnygs sanygs ygasns gyasns yagsns aygsns gaysns agysns ygsans gysans ysgans sygans gsyans sgyans yasgns aysgns ysagns syagns asygns saygns gasyns agsyns gsayns sgayns asgyns sagyns ngasys gnasys nagsys angsys gansys agnsys ngsays gnsays nsgays sngays gsnays sgnays nasgys ansgys nsagys snagys asngys sangys gasnys agsnys gsanys sganys asgnys sagnys
Note: these 'words' (valid or invalid) are all the permutations of the word syngas. These words are obtained by scrambling the letters in syngas.