a-ak a-do a-ok a-ya a-yo aaaa aaab aaac aaad aaaf aaba aabb aabc aabd aaby aaca aacb aacc aacd aacf aack aaco aacy aada aadc aafa aafb aafc aafd aaff aaka aaoo abaa abab abac abad abaf abak abay abb- abba abbb abbo abby abca abcb abcc abcd abcf abda abdo abdy abff aboa abob abod abof abok aboo aboy abyc abyy acaa acab acac acad acba acca accc accd accf acco accy acda acdb acdc acdf acfc acfd ackd acoa acod acoy adaa adab adac adad adak adao aday adba adbc adcc adda addc addd addo addy adfa adfc adob adoc adod adok adoo adya afaa afad afak afao afca afcb afcc afdb afdc affa affc affo affy afka afoa afoo akaa akao akay akca akka akko akok aoba aoca ay-o ayad ayao ayay ayca ayda ayod ayoo ayya baaa baad baaf baak baba babb babo baby bac- baca bacc back baco bada badb badd bado bady bafc baff bafo bak- baka bako baya bayo bbad bbay bbbb bbdd bbdo bbfc bboy bbyo bcaa bcbc bcca bccc bcda bcfc bcof bday bdbc bddc bfca bkcy boab boac boad boak boba bobb bobo boby boca bock boco boda bodb bodo body bofa bofd boff boka boko boob booc bood boof book boya boyd boyf boyo byck byoa byob byoc byod byyd c-bo c-cd caaa caab caac caaf caba cabf cabo caby cac- caca cacc cack caco cada cadc cadd cado cady cafa cafb cafc caff caka caky caod cayo cbac cbbc cbca cbcc cbdb cbdc cbdo cbfb cbfc cbka cbko ccaa ccab ccac ccad ccaf ccba ccbc ccca cccb cccc cccf ccdc ccdf ccfa ccfc ccfd ccff ccob ccoc ccod cdaa cdac cdad cday cdba cdbf cdda cddb cdfa cfaa cfab cfac cfao cfbc cfca cfcb cfcf cfco cfcy cfda cffb cfoa cfyk ckac ckbc ckck ckco ckcy ckdo ckoa ckob ckoc ckoo ckoy coad coak coba cobb cobo coby coca cock coco coda codd cody cofc coff cok- coka coko coky coob cood coof cook coya coyf coyo cya- cyaa cyba cybb cybc cybo cyc- cyca cycb cycc cyoa cyy- cyyc d-bo daab daad daba dabb dabo daca dada dado dady dafa dafc daff dafo daka dako daya dayo dbcc dbfc dbfo dboy dc-y dcbc dcca dccb dccc dcdb dcfc dday dddd ddoc dfaf dfcc dfco dffa dkba dkdc doab doak doba dobb doby doca dock doco dod- doda dodd dodo dody doff doka doko doky doob dood doof dook doya doyk doyo dya- dyab dyac dyad dyaf dyak dycd dyck dydd dyf- dyko dyo- dyok dyoo f--k faaa faac faad faba fabd fabo faca facc fack facy fada fadd fado fady fafa fafc faff fafo fako faky faya fayd fayo fcab fcba fcca fccf fcda fday fdca fdoa fdoc ffcc ffff fkab foad foaf foak foba foca fock foco foda fody fofo food foof fook foya kaaa kaab kaaf kaak kaay kaba kabb kabc kabd kabf kabo kaby kacb kacc kacd kaco kacy kad- kada kadd kadf kado kady kafa kafc kaff kafy kaka kakc kakk kako kaoa kaoc kaok kaya kayf kayo kbaa kbab kbac kbad kbak kbay kbba kbbb kbbc kbbd kbbf kbbk kbbo kbca kbcb kbck kbco kbcy kbdb kbdf kbdo kbdy kbfb kbfc kbff kbfk kbfo kbkb kbkf kbkk kbko kbky kboa kbob kboc kbod kbok kboo kbya kbyb kbyo kcaa kcab kcac kcad kcba kcbc kcbd kcbf kcbk kcca kccb kccc kccd kcck kccy kcda kcdc kcdd kcdy kcfa kcfb kcfc kcfd kcfo kcfy kckc kckf kckk kcko kcky kcob kcof kcya kcyk kcyy kdaa kdab kdac kdad kdaf kdak kdao kday kdbb kdca kdcc kdcd kdco kddb kddc kddd kddf kddk kdfc kdfo kdka kdkb kdkd kdkk kdko kdoc kdok kdya kdyk kfab kfac kfay kfbc kfbk kfcd kfcf kfco kfcy kfda kffa kffb kfff kffk kfka kfkb kfok kfoo kfoy kfyo kkaa kkac kkay kkba kkbb kkbd kkbo kkcb kkcd kkck kkco kkcy kkda kkdc kkdd kkdo kkdy kkkk kkoa kkob kkoo kkoy kkya kkyc kkyy koab koac koak koay koba kobb kobc kobk kobo koby koca kocb kocd kocf kock koda kodk kodo kody kofa kofc koff kofk kofo kofy koka kokb kokc kokf kokk koko koky koob kooc kook kooo koya koyf koyo koyy kyaa kyak kyay kyba kybb kybc kybo kyby kyca kycc kyck kyda kydd kydo kydy kyfb kyka kykc kykd kykk kyky kyok kyoo kyoy kyya kyyk kyyo kyyy oafc oafo oaky obad obak obay obba obbo obby obkb obok oboy ocab ocac ocad ocak ocbc occa occc ocfa odac oday odbo odda oddd oddy odoo ofay off- offa offc offo offy okak okay okby okka okko okok okyo ooaa ooak ooba ooby ooda ooff oofy ooky oooo oyak oyda yaaf yaak yaba yabo yacc yack yaco yacy yada yado yafa yafc yaff yafo yaka yako yaya yayo ycab ycao yccc ydad yday ykko yoak yoba yobo yock yoda yodo yoff yoko yoky yood yoof yook yoyo yyff yyyy