adding dading adding dading ddaing ddaing adidng daidng aiddng iaddng diadng idadng adidng daidng aiddng iaddng diadng idadng ddiang ddiang didang iddang didang iddang addnig dadnig addnig dadnig ddanig ddanig adndig dandig anddig naddig dnadig ndadig adndig dandig anddig naddig dnadig ndadig ddnaig ddnaig dndaig nddaig dndaig nddaig adindg daindg aidndg iadndg diandg idandg adnidg danidg andidg nadidg dnaidg ndaidg ainddg ianddg aniddg naiddg inaddg niaddg dinadg idnadg dniadg ndiadg indadg nidadg adindg daindg aidndg iadndg diandg idandg adnidg danidg andidg nadidg dnaidg ndaidg ainddg ianddg aniddg naiddg inaddg niaddg dinadg idnadg dniadg ndiadg indadg nidadg ddinag ddinag didnag iddnag didnag iddnag ddniag ddniag dndiag nddiag dndiag nddiag dindag idndag dnidag ndidag inddag niddag dindag idndag dnidag ndidag inddag niddag addign dadign addign dadign ddaign ddaign adidgn daidgn aiddgn iaddgn diadgn idadgn adidgn daidgn aiddgn iaddgn diadgn idadgn ddiagn ddiagn didagn iddagn didagn iddagn addgin dadgin addgin dadgin ddagin ddagin adgdin dagdin agddin gaddin dgadin gdadin adgdin dagdin agddin gaddin dgadin gdadin ddgain ddgain dgdain gddain dgdain gddain adigdn daigdn aidgdn iadgdn diagdn idagdn adgidn dagidn agdidn gadidn dgaidn gdaidn aigddn iagddn agiddn gaiddn igaddn giaddn digadn idgadn dgiadn gdiadn igdadn gidadn adigdn daigdn aidgdn iadgdn diagdn idagdn adgidn dagidn agdidn gadidn dgaidn gdaidn aigddn iagddn agiddn gaiddn igaddn giaddn digadn idgadn dgiadn gdiadn igdadn gidadn ddigan ddigan didgan iddgan didgan iddgan ddgian ddgian dgdian gddian dgdian gddian digdan idgdan dgidan gdidan igddan giddan digdan idgdan dgidan gdidan igddan giddan addngi dadngi addngi dadngi ddangi ddangi adndgi dandgi anddgi naddgi dnadgi ndadgi adndgi dandgi anddgi naddgi dnadgi ndadgi ddnagi ddnagi dndagi nddagi dndagi nddagi addgni dadgni addgni dadgni ddagni ddagni adgdni dagdni agddni gaddni dgadni gdadni adgdni dagdni agddni gaddni dgadni gdadni ddgani ddgani dgdani gddani dgdani gddani adngdi dangdi andgdi nadgdi dnagdi ndagdi adgndi dagndi agdndi gadndi dgandi gdandi angddi nagddi agnddi ganddi ngaddi gnaddi dngadi ndgadi dgnadi gdnadi ngdadi gndadi adngdi dangdi andgdi nadgdi dnagdi ndagdi adgndi dagndi agdndi gadndi dgandi gdandi angddi nagddi agnddi ganddi ngaddi gnaddi dngadi ndgadi dgnadi gdnadi ngdadi gndadi ddngai ddngai dndgai nddgai dndgai nddgai ddgnai ddgnai dgdnai gddnai dgdnai gddnai dngdai ndgdai dgndai gdndai ngddai gnddai dngdai ndgdai dgndai gdndai ngddai gnddai adingd daingd aidngd iadngd diangd idangd adnigd danigd andigd nadigd dnaigd ndaigd aindgd iandgd anidgd naidgd inadgd niadgd dinagd idnagd dniagd ndiagd indagd nidagd adignd daignd aidgnd iadgnd diagnd idagnd adgind dagind agdind gadind dgaind gdaind aigdnd iagdnd agidnd gaidnd igadnd giadnd digand idgand dgiand gdiand igdand gidand adngid dangid andgid nadgid dnagid ndagid adgnid dagnid agdnid gadnid dganid gdanid angdid nagdid agndid gandid ngadid gnadid dngaid ndgaid dgnaid gdnaid ngdaid gndaid aingdd iangdd anigdd naigdd inagdd niagdd aigndd iagndd agindd gaindd igandd giandd angidd nagidd agnidd ganidd ngaidd gnaidd ingadd nigadd ignadd ginadd ngiadd gniadd dingad idngad dnigad ndigad indgad nidgad dignad idgnad dginad gdinad igdnad gidnad dngiad ndgiad dgniad gdniad ngdiad gndiad ingdad nigdad igndad gindad ngidad gnidad adingd daingd aidngd iadngd diangd idangd adnigd danigd andigd nadigd dnaigd ndaigd aindgd iandgd anidgd naidgd inadgd niadgd dinagd idnagd dniagd ndiagd indagd nidagd adignd daignd aidgnd iadgnd diagnd idagnd adgind dagind agdind gadind dgaind gdaind aigdnd iagdnd agidnd gaidnd igadnd giadnd digand idgand dgiand gdiand igdand gidand adngid dangid andgid nadgid dnagid ndagid adgnid dagnid agdnid gadnid dganid gdanid angdid nagdid agndid gandid ngadid gnadid dngaid ndgaid dgnaid gdnaid ngdaid gndaid aingdd iangdd anigdd naigdd inagdd niagdd aigndd iagndd agindd gaindd igandd giandd angidd nagidd agnidd ganidd ngaidd gnaidd ingadd nigadd ignadd ginadd ngiadd gniadd dingad idngad dnigad ndigad indgad nidgad dignad idgnad dginad gdinad igdnad gidnad dngiad ndgiad dgniad gdniad ngdiad gndiad ingdad nigdad igndad gindad ngidad gnidad ddinga ddinga didnga iddnga didnga iddnga ddniga ddniga dndiga nddiga dndiga nddiga dindga idndga dnidga ndidga inddga niddga dindga idndga dnidga ndidga inddga niddga ddigna ddigna didgna iddgna didgna iddgna ddgina ddgina dgdina gddina dgdina gddina digdna idgdna dgidna gdidna igddna giddna digdna idgdna dgidna gdidna igddna giddna ddngia ddngia dndgia nddgia dndgia nddgia ddgnia ddgnia dgdnia gddnia dgdnia gddnia dngdia ndgdia dgndia gdndia ngddia gnddia dngdia ndgdia dgndia gdndia ngddia gnddia dingda idngda dnigda ndigda indgda nidgda dignda idgnda dginda gdinda igdnda gidnda dngida ndgida dgnida gdnida ngdida gndida ingdda nigdda igndda gindda ngidda gnidda dingda idngda dnigda ndigda indgda nidgda dignda idgnda dginda gdinda igdnda gidnda dngida ndgida dgnida gdnida ngdida gndida ingdda nigdda igndda gindda ngidda gnidda
Note: these 'words' (valid or invalid) are all the permutations of the word adding. These words are obtained by scrambling the letters in adding.