sohur oshur shour hsour ohsur hosur souhr osuhr suohr usohr oushr uoshr shuor hsuor suhor ushor husor uhsor ohusr housr ouhsr uohsr huosr uhosr sohru oshru shoru hsoru ohsru hosru sorhu osrhu srohu rsohu orshu roshu shrou hsrou srhou rshou hrsou rhsou ohrsu horsu orhsu rohsu hrosu rhosu sourh osurh suorh usorh ousrh uosrh soruh osruh srouh rsouh orsuh rosuh suroh usroh sruoh rsuoh ursoh rusoh oursh uorsh orush roush urosh ruosh shuro hsuro suhro ushro husro uhsro shruo hsruo srhuo rshuo hrsuo rhsuo surho usrho sruho rsuho ursho rusho hurso uhrso hruso rhuso urhso ruhso ohurs hours ouhrs uohrs huors uhors ohrus horus orhus rohus hrous rhous ourhs uorhs oruhs rouhs urohs ruohs huros uhros hruos rhuos urhos ruhos
Note: these 'words' (valid or invalid) are all the permutations of the word sohur. These words are obtained by scrambling the letters in sohur.