a-a a-b a-c aaa aab aac aad aaf aak aao aay ab- aba abb abc abd abf abk abo aby ac- aca acb acc acd acf ack aco acy ad- ada adb adc add adf adk ado ady af- afa afb afc afd aff afk afo afy aka akb akc akd akk ako aoa aob aoc aod aof aok aoo ay- aya ayc ayd ayf ayk ayo baa bab bac bad baf bak bao bay bba bbb bbc bbd bbf bbk bbo bby bca bcb bcc bcd bcf bck bco bcy bda bdb bdc bdd bdf bdk bdo bdy bfa bfb bfc bfd bff bfo bfy bka bkb bkc bkf bkk bko boa bob boc bod bof bok boo boy by- bya byc byd byf byk byo c-- caa cab cac cad caf cak cao cay cba cbb cbc cbd cbf cbk cbo cby cca ccb ccc ccd ccf cck cco cda cdb cdc cdd cdf cdk cdo cdy cfa cfb cfc cfd cff cfk cfo cka ckb ckc ckd cko cky co- coa cob coc cod cof cok coo coy cya cyb cyc cyd cyf cyk cyo daa dab dac dad daf dak dao day dba dbb dbc dbd dbf dbk dbo dby dca dcb dcc dcd dcf dck dco dda ddb ddc ddd ddf ddk ddo ddy dfa dfb dfc dfd dff dfk dfo dka dkb dkc dkk dko doa dob doc dod dof dok doo doy dy- dya dyb dyc dyd dyk dyo dyy faa fab fac fad faf fak fao fay fba fbb fbc fbd fbf fbk fbo fca fcb fcc fcd fcf fck fco fcy fda fdb fdc fdd fdf fdk fdo ffa ffc ffd fff ffk ffo ffy fka fkb fkc fkf fkk foa fob foc fof fok foo foy fy- fya fyb fyc fyk fyo ka- kaa kab kac kad kaf kak kao kay kba kbb kbc kbd kbf kbk kbo kca kcb kcc kcd kck kda kdb kdc kdf kdk kdo kdy kfa kfc kfd kff kfo kkb kkc kkk kky koa kob koc kod kof kok koo koy kya kyc kyd kyo oaa oab oac oad oaf oak oao ob- oba obb obc obd obf obk obo oby oc- oca ocb occ ocd ocf ock oco oda odb odc odd odf odo of- ofa ofb ofc ofd off ofo oka okb okc okd okk oko oo- ooa oob ooc ood oof ook ooo oya oyd oyo yaa yab yac yad yaf yak yao yay ybc ybf yby yca ycc ycd ycf yco ycy yda ydo ydy yfa yfc yfd yff yka ykk yob yoc yod yof yok yoo yoy yyb yyc yyf yyy

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