-ana a-ya aaaa aaab aaac aaad aaaf aaan aaba aabb aabc aabd aaby aaca aacb aacc aacd aacf aacn aacy aada aadc aafa aafb aafc aafd aaff aana aand abaa abab abac abad abaf aban abay abb- abba abbb abby abca abcb abcc abcd abcf abcn abda abdy abff abyc abyy acaa acab acac acad acan acba acca accc accd accf accy acda acdb acdc acdf acfc acfd adaa adab adac adad adan aday adba adbc adcc adda addc addd addn addy adfa adfc adna adya afaa afad afan afca afcb afcc afdb afdc affa affc affy afyn ana- anaa anab anac anad anan anba anbb anca ancc ancy and- anda andy anfa anna annb anny anya ayad ayan ayay ayca ayda ayna aynd ayya baaa baad baaf baan baba babb baby bac- baca bacc bacn bada badb badd bady bafc baff bana banc band bann baya bbad bbay bbbb bbdd bbfc bbfn bcaa bcbc bcca bccc bcda bcfc bday bdbc bddc bdna bfca bnya byan bync bynd byyd c-cd caaa caab caac caaf caan caba cabf caby cac- caca cacc cada cadc cadd cady cafa cafb cafc caff cana canc cand cann cany cbac cbbc cbca cbcc cbcn cbdb cbdc cbdn cbfb cbfc cbna cbnd ccaa ccab ccac ccad ccaf ccba ccbc ccbn ccca cccb cccc cccf ccdc ccdf ccdn ccfa ccfc ccfd ccff ccna ccnb ccnc ccnf ccny cdaa cdac cdad cday cdba cdbf cdda cddb cdfa cdna cdnb cdnc cdnf cfaa cfab cfac cfbc cfbn cfca cfcb cfcf cfcn cfcy cfda cffb cfnb cfyn cnaa cnac cnbc cnda cndd cnfa cnna cya- cyaa cyan cyba cybb cybc cyc- cyca cycb cycc cyn- cyy- cyyc cyyn d-na daab daad daan daba dabb daca dada dady dafa dafc daff dana dand dann dany daya dayn dbcc dbfc dc-y dcbc dcca dccb dccc dcdb dcfc dday dddd dfaf dfcc dffa dnaa dnab dnac dnad dnan dnay dya- dyab dyac dyad dyaf dyan dybn dycd dydd dyf- dyna dync dyny faaa faac faad faan faba fabd faca facc facy fada fadd fady fafa fafc faff fana fanc fand fany faya fayd fayn fcab fcba fcca fccf fcda fday fdca fdny ffcc ffff fnac fndd fndn fynd fynn naaa naab naac naad naan naba nabc nabf naca nacc nacd nacf nada nadc nadf nady nafa nafc naff nan- nana nanb nand nann nany naya nbaa nbad nbaf nbbc nbca nbcc nbfa nbfc ncaa ncac ncba ncbc ncca nccc nccf nccn ncda ncdc ncdn ncfc ncna ncnc ncnd ndaa ndcc nddb ndfa ndna nfaa nfda nfdc nfff nfya nfyb nfyc nndb nnnn nyaa nyac nyad nycc nycy nyfa nyfd nyny yaaf yaan yaba yacc yacy yada yafa yafc yaff yana yann yaya ycab yccc ydad ydan yday ydna ynca yyff yyyy