a-a a-b a-c a-t aaa aab aac aae aan aas aat ab- aba abb abc abe abn abs abt ac- aca acb acc ace acn acs act aea aeb aec aee aen aes aet an- ana anb anc ane ann ans ant as- asa asb asc ase asn ass ast at- ata atb atc ate atn ats att baa bab bac bae ban bas bat bba bbb bbc bbe bbn bbs bbt bca bcb bcc bce bcn bcs bct be- bea beb bec bee ben bes bet bna bnb bnc bne bnn bns bnt bsa bsb bsc bse bsn bss bst bta btb btc bte btn bts btt c-- caa cab cac cae can cas cat cba cbb cbc cbe cbn cbs cbt cca ccb ccc cce ccn ccs cct ce- cea ceb cec cee cen ces cet cn- cna cnb cnc cne cnn cns cnt csa csb csc cse csn css cst cta ctb ctc cte ctn cts ctt eaa eab eac eae ean eas eat eba ebb ebc ebe ebn ebs ebt ec- eca ecb ecc ece ecn ecs ect eea eeb eec eee een ees eet en- ena enb enc ene enn ens ent es- esa esb esc ese esn ess est eta etb etc ete etn ets ett naa nab nac nae nan nas nat nba nbb nbc nbe nbn nbs nbt nca ncb ncc nce ncn ncs nct ne- nea neb nec nee nen nes net nna nnb nnc nne nnn nns nnt nsa nsb nsc nse nsn nss nst nta ntb ntc nte ntn nts ntt saa sab sac sae san sas sat sba sbb sbc sbe sbn sbs sbt sca scb scc sce scn scs sct se- sea seb sec see sen ses set sna snb snc sne snn sns snt ss- ssa ssb ssc sse ssn sss sst sta stb stc ste stn sts stt taa tab tac tae tan tas tat tba tbb tbc tbe tbn tbs tbt tca tcb tcc tce tcn tcs tct te- tea teb tec tee ten tes tet tna tnb tnc tne tnn tns tnt tsa tsb tsc tse tsn tss tst tta ttb ttc tte ttn tts ttt

-ana -ane -ase -ene a-be aaaa aaab aaac aaae aaan aaas aaba aabb aabc aabt aaca aacb aacc aace aacn aacs aact aaea aaec aaen aaes aana aane aasa aasc aase aass aast aata aatc aatt abaa abab abac abae aban abas abat abb- abba abbb abbe abbs abbt abca abcb abcc abcn abcs abct abec abee aben abes abet abs- absa abse abss abta abts ac-t acaa acab acac acae acan acas acat acba acca accc acce accs acct ace- acea acec acen aces acet acne acsa acsc acse acss acst acta actc acte acts actt aeac aean aeas aebn aebs aecb aect aena aent aesc aess aest aeta aetc aetn aett ana- anaa anab anac anae anan anas anat anba anbb anca ancc ance anct anec anee anen anes anet anna annb anne anns annt ansa anse ant- anta ante ants antt asaa asab asac asae asan asas asat asba asc- asca ascb ascc asce asct asea asec asee asen ases aset asnc asne assa assc asse assn asss asst asta astb astc aste asts at-t ataa atab atac atae atan atas atat atbs atca atcc atcs atea atec atee aten ates atna atns atsb atsc atse atst atta atte attn atts baaa baan baas baat baba babb babe babs bac- baca bacc bace bacn bacs bact baes bana banc bane bann bans bant basa basc base bass bast bata batc bate batn bats batt bbas bbbb bbbs bbeb bbet bcaa bcas bcat bcbc bcbs bcca bccc bccs bcec bces bcet bcsa bcsc bcsn bcss bctc bcts bean beas beat beba bebb bebe beca becs beeb been bees beet bena bene benn bens bent bes- besa bese bess best beta betc bete bets bett bnas bnet bnss bnta bsaa bsac bsas bsat bscs bsea bseb bsec bsee bses bset bsns bssc bsse bsts btaa btan btcc btcs btec bten btss bttb caaa caab caac caan caas caat caba cabe cabs cac- caca cacc cace caec caen caes cana canc cane cann cans cant casa casb casc case cass cast cat- cata catb catc cate cats catt cbac cbat cbbc cbbs cbca cbcc cbce cbcn cbcs cbct cbea cbec cbee cbet cbna cbsa cbsc cbse cbsn cbta cbtc ccaa ccab ccac ccas ccat ccba ccbc ccbn ccca cccb cccc cccs ccee ccna ccnb ccnc ccne ccns ccsa ccsn ccss ccst cctb cctc cctt ceac cean ceas ceat ceba cebs cec- ceca cece cecs cect ceeb ceec cees cen- cena cene cens cent cesa cesc cese cess cest cet- ceta cete cets cnaa cnac cnas cnbc cnes cnet cnna cnsa cnss cnta cntc csaa csab csac csas csat cscb cscc csce cscs csea csec csee cset csne cssa csse csta cstc csts ctab ctae ctan ctba ctbs ctca ctec cten ctne ctns ctsa ctsc ctsn ctss ctta cttn ctts eaba eaca eacc eaec eana eans easa ease east eata eate eats ebac eban ebba ebbc ebbs ebcc eben ebes ebsa ecaa ecac ecan ecat ecbc ecbe ecca eccb eccc ecce ecct eces ecne ecsa ecsc ecse ecss ect- ecta ectc ects eeca eecs eeea eeee eees eena eens eent eese eeta eetc eete eets enab enac enan enas enat enb- enbn enca ence encs enea enee enes enna ennc enne enns ensa ense enst ent- ente ents esab esac esan esas esat esba esbs esca escb esce escs esea esee esen eses eset esna esne essa esse esst esta estc este ests etan etas etat etbc etcc etcs etec etee eten etes etna etne etns etta ette ettn naaa naab naac naan naas naat naba nabc nabe nabs naca nacc nace nacs naea naes nan- nana nanb nane nann nans nant nas- nasa nasb nasc nase nass nast nata natc nate nats natt nbaa nbas nbbc nbca nbcc nbcs ncaa ncac ncat ncba ncbc ncbs ncca nccc