a-a a-b a-c a-t aaa aab aac aae aaf aan aat ab- aba abb abc abe abf abn abt ac- aca acb acc ace acf acn act aea aeb aec aee aef aen aet af- afa afb afc afe aff afn aft an- ana anb anc ane anf ann ant at- ata atb atc ate atf atn att baa bab bac bae baf ban bat bba bbb bbc bbe bbf bbn bbt bca bcb bcc bce bcf bcn bct be- bea beb bec bee bef ben bet bfa bfb bfc bfe bff bfn bft bna bnb bnc bne bnf bnn bnt bta btb btc bte btf btn btt c-- caa cab cac cae caf can cat cba cbb cbc cbe cbf cbn cbt cca ccb ccc cce ccf ccn cct ce- cea ceb cec cee cef cen cet cfa cfb cfc cfe cff cfn cft cn- cna cnb cnc cne cnf cnn cnt cta ctb ctc cte ctf ctn ctt eaa eab eac eae eaf ean eat eba ebb ebc ebe ebf ebn ebt ec- eca ecb ecc ece ecf ecn ect eea eeb eec eee eef een eet ef- efa efb efc efe eff eft en- ena enb enc ene enf enn ent eta etb etc ete etf etn ett faa fab fac fae faf fan fat fba fbb fbc fbe fbf fbn fbt fca fcb fcc fce fcf fcn fct fea feb fec fee fef fen fet ffa ffc ffe fff ffn fft fna fnb fnc fne fnf fnn fnt fta ftb ftc fte ftf ftn ftt naa nab nac nae naf nan nat nba nbb nbc nbe nbf nbn nbt nca ncb ncc nce ncf ncn nct ne- nea neb nec nee nef nen net nfa nfb nfc nfe nff nfn nft nna nnb nnc nne nnf nnn nnt nta ntb ntc nte ntf ntn ntt taa tab tac tae taf tan tat tba tbb tbc tbe tbf tbn tbt tca tcb tcc tce tcf tcn tct te- tea teb tec tee tef ten tet tfa tfb tfc tfe tff tfn tft tna tnb tnc tne tnf tnn tnt tta ttb ttc tte ttf ttn ttt

-ana -ane -ene a-be aaaa aaab aaac aaae aaaf aaan aaba aabb aabc aabt aaca aacb aacc aace aacf aacn aact aaea aaec aaen aafa aafb aafc aaff aana aane aata aatc aatf aatt abaa abab abac abae abaf aban abat abb- abba abbb abbe abbt abca abcb abcc abcf abcn abct abec abee aben abet abff abta ac-t acaa acab acac acae acan acat acba acca accc acce accf acct ace- acea acec acen acet acfc acfe acft acne acta actc acte actf actt aeac aeaf aean aebn aecb aect aena aent aeta aetc aetf aetn aett afaa afan afat afca afcb afcc afee afet affa affc afft afta aftc afte aftn ana- anaa anab anac anae anan anat anba anbb anca ancc ance anct anec anee anen anet anfa anna annb anne annt ant- anta ante antt at-t ataa atab atac atae atan atat atca atcc atcf atea atec atee atef aten atfb atfc atfe atna atta atte attn baaa baaf baan baat baba babb babe bac- baca bacc bace bacn bact bafc baff baft bana banc bane bann bant bata batc bate batf batn batt bbbb bbeb bbet bbfc bbfn bcaa bcat bcbc bcca bccc bcec bcet bcfc bctc beaf bean beat beba bebb bebe beca beeb beef been beet befa befe beff beft bena bene benn bent beta betc bete bett bfca bfta bftt bnet bnta btaa btaf btan btcc btec bten btfc bttb caaa caab caac caaf caan caat caba cabe cabf cac- caca cacc cace caec caen cafa cafb cafc cafe caff cana canc cane cann cant cat- cata catb catc cate catf catt cbac cbat cbbc cbca cbcc cbce cbcn cbct cbea cbec cbee cbef cbet cbfb cbfc cbna cbta cbtc cbtf ccaa ccab ccac ccaf ccat ccba ccbc ccbn ccca cccb cccc cccf ccee ccfa ccfc ccff ccna ccnb ccnc ccne ccnf cctb cctc cctt ceac cean ceat ceba cec- ceca cece cect ceeb ceec cef- cefa cefc cefn cen- cena cene cent cet- ceta cete cfaa cfab cfac cfae cfbc cfbn cfbt cfca cfcb cfcf cfcn cffb cfnb cfta cftc cfte cnaa cnac cnbc cnet cnfa cnna cnta cntc cntf ctab ctae ctan ctba ctca ctcf ctec cten ctfc ctne ctta cttn eaaf eaba eaca eacc eaec eafb eana eata eate ebac eban ebba ebbc ebcc eben ebfc ecaa ecac ecan ecat ecbc ecbe ecca eccb eccc ecce ecct ecef ecfa ecfc ecne ect- ecta ectc ectf eeca eeea eeee eefa eefe eefn eena eent eeta eetc eete efab efca efen efet effa eft- efta enab enac enan enat enb- enbn enca ence enea enee enfb enna ennc enne ent- ente etan etat etbc etcc etec etee eten etfa etfb etfc etfe etna etne etta ette ettn faaa faac faan faba fabe faca facc face fact faeb fafa fafc fafe faff fana fanc fane fant fata fatc fate fatf fatt fcab fcat fcba fcca fccf feaf fean feat feba fece fect feeb feen feet fefc fefe feff fena fene fenn fent feta fete fett ffcc ffee ffff fftf fnac fnet fnta fntb ft-c ftan ftea ften ftfc naaa naab naac naan naat naba nabc nabe nabf naca nacc nace nacf naea naef nafa nafc nafe naff nan- nana nanb nane nann nant nata natc nate natt nbaa nbaf nbbc nbca nbcc nbfa nbfc ncaa ncac ncat ncba ncbc ncca nccc nccf nccn ncct ncea ncec ncee ncef ncen ncfc ncfe ncna ncnc ncta nctc ncte neab neac neaf nean neat neba nebb nebe nebn neca necc nece nect neea neeb neef neen neet nefa nefe neff nena nene nent net- neta netb nete nett nfaa nfat nfct nfff nfta nftc nnnn nntn ntbc ntcc ntfc taa- taaf taan taat taba tabb tabc tabe taca tacc tace tact taec taen tafa tafc tafe taff taft tana tane tann tant tata tatb tate tatt