-ey a-a a-b a-c aaa aab aac aae aaf aao aay ab- aba abb abc abe abf abo aby ac- aca acb acc ace acf aco acy aea aeb aec aee aef aeo aey af- afa afb afc afe aff afo afy aoa aob aoc aoe aof aoo ay- aya ayc aye ayf ayo baa bab bac bae baf bao bay bba bbb bbc bbe bbf bbo bby bca bcb bcc bce bcf bco bcy be- bea beb bec bee bef beo bey bfa bfb bfc bfe bff bfo bfy boa bob boc boe bof boo boy by- bya byc bye byf byo c-- caa cab cac cae caf cao cay cba cbb cbc cbe cbf cbo cby cca ccb ccc cce ccf cco ce- cea ceb cec cee cef ceo cey cfa cfb cfc cfe cff cfo co- coa cob coc coe cof coo coy cya cyb cyc cye cyf cyo eaa eab eac eae eaf eao eba ebb ebc ebe ebf ebo eby ec- eca ecb ecc ece ecf eco eea eeb eec eee eef eeo eey ef- efa efb efc efe eff efo eo- eoa eob eoc eoe eof eoo eya eyc eye eyo faa fab fac fae faf fao fay fba fbb fbc fbe fbf fbo fca fcb fcc fce fcf fco fcy fea feb fec fee fef feo fey ffa ffc ffe fff ffo ffy foa fob foc foe fof foo foy fy- fya fyb fyc fye fyo oaa oab oac oae oaf oao ob- oba obb obc obe obf obo oby oc- oca ocb occ ocf oco oea oeb oec oee oef oeo oey of- ofa ofb ofc ofe off ofo oo- ooa oob ooc oof ooo oya oye oyo yaa yab yac yae yaf yao yay ybc ybe ybf yby yca ycc yce ycf yco ycy yea yeb yec yee yef yeo yey yfa yfc yfe yff yob yoc yoe yof yoo yoy yyb yyc yye yyf yyy

a-be a-ya a-yo aaaa aaab aaac aaae aaaf aaba aabb aabc aaby aaca aacb aacc aace aacf aaco aacy aaea aaec aafa aafb aafc aaff aaoe aaoo abaa abab abac abae abaf abay abb- abba abbb abbe abbo abby abca abcb abcc abcf abec abee abey abff aboa abob abof aboo aboy abyc abye abyy acaa acab acac acae acba acca accc acce accf acco accy ace- acea acec acey acfc acfe acoa acoe acoy aeac aeaf aeby aecb afaa afao afca afcb afcc afee affa affc affo affy afoa afoe afoo afye aoba aoca aoce ay-o ayao ayay ayca ayce ayoo ayya baaa baaf baba babb babe babo baby bac- baca bacc bace baco bafc baff bafo baya baye bayo bbay bbbb bbeb bbfc bboy bbyo bcaa bcbc bcca bccc bcec bcfc bcof beaf beay beba bebb bebe bebo beby beca beeb beef beey befa befe beff befo beo- beof beya beye bfca boab boac boba bobb bobe bobo boby boca boce boco boea boec boee boef boeo boey bofa bofe boff boob booc booe boof boya boye boyf boyo byce byoa byob byoc c-bo caaa caab caac caaf caba cabe cabf cabo caby cac- caca cacc cace caco caec cafa cafb cafc cafe caff caye cayo cbac cbbc cbca cbcc cbce cbea cbec cbee cbef cbfb cbfc ccaa ccab ccac ccaf ccba ccbc ccca cccb cccc cccf ccee ccfa ccfc ccff ccob ccoc ceac ceba cec- ceca cece ceco ceeb ceec cef- cefa cefc cfaa cfab cfac cfae cfao cfbc cfca cfcb cfcf cfco cfcy cffb cfoa coba cobb cobe cobo coby coca coce coco cofc cofe coff coob coof coya coyf coyo cya- cyaa cyba cybb cybc cybo cyc- cyca cycb cycc cyfe cyoa cyy- cyyc eaaf eaba eaca eacc eaec eafb ebac ebay ebba ebbc ebbo ebby ebcc ebfc eboe eboo eboy ebya ecaa ecac ecao ecbc ecbe ecca eccb eccc ecce ecco ecef ecfa ecfc eco- eeby eeca eeea eeee eefa eefe eeoc efab efca efco efeo effa effy efya eyeb eyec eyey faaa faac faba fabe fabo faca facc face facy faeb fafa fafc fafe faff fafo faya faye fayo fcab fcba fcca fccf feaf feba febo fece feeb fefc fefe feff fefo feof ffcc ffee ffff foaf foba foca foce foco fofo foof foya fyce fyeo fyfe o-eo oafc oafo obay obba obbo obby obea obec obey oboe oboy ocab ocac ocbc occa occc oce ocee ocef ocfa oec- oeca oecc oeec oeya oeye oeyo ofay off- offa offc offe offo offy ooaa ooba oobe ooby ooff oofy oooo oyce oyee yaaf yaba yabo yacc yaco yacy yafa yafc yafe yaff yafo yaya yayo ycab ycao yccc ycee yeaf yefe yeff yeof yeye yeyo yoba yobo yoff yoof yoye yoyo yyfe yyff yyyy

-aaa- aaace aaaee aaaoc aabaa aabba aabey aabye aacbc aacfo aaeaf abaab ababa ababe ababy abaca abaco abaya abaye abbac abbay abbey abbyy abccc abeba abebe abece abeye abfab aboab abobo acaca acacb acacy acaya accoy aceae acebo aceof acoye acyce aeaea aebbe aface afcea afcec afefe ayyab b-boy baabe baaya babby babec babee baboo bacab bacao bacca bacco baccy bacea baffa baffy bayaa bayac bayof bayya bbbee beaco beafe bebay becca becco beeac beebe beeby beefy beffe befoe beofe beoff bface bo-bo boaco bobac bobby bobea boboc bocac bocao bocca bocce bocoa boece boffa boffo booba booby booce booco boofy booya booyo boyce boyey by-by bybee bycab byffe c-a-c ca-ca caaba cabby cabob caboc cacao caco- cacoa caec- caeca caffa caffe caffo cafoy caoba cayce cayey cbeff cc-by ccccc ccoyo ceace cebec ceco- ceeac ceoce co-bo co-co cobbe cobby cocao cocc- cocce cocco cocea coceo cocoa coffa coffe coffy cooba cooee cooey coyfe cybbe cyfac e-boy ecoff ecyob eecca eeeee eyeof fabae fabbo fabby faboo facea facey fayfa fcaca feoey feoff feyay fface fobby foecy fofao fooey foofy fooya fyffe obaba obaby obaye obeya obyce occey occoy ocoee ocyba oeco- ofafa ofaye offay offby offof offoy ooooo oyabe oyace ya-ya yaaba yabba yabby yabea yaboo yacca yacef yaeba yaffa yaffe yaffo ye-ye yeffe yo-yo