a-a a-b a-c a-t aaa aab aac aad aae aag aak aat ab- aba abb abc abd abe abg abk abt ac- aca acb acc acd ace acg ack act ad- ada adb adc add ade adg adk adt aea aeb aec aed aee aeg aek aet ag- aga agb agc agd age agg agk agt aka akb akc akd ake akg akk at- ata atb atc atd ate atg att baa bab bac bad bae bag bak bat bba bbb bbc bbd bbe bbg bbk bbt bca bcb bcc bcd bce bcg bck bct bda bdb bdc bdd bde bdg bdk bdt be- bea beb bec bed bee beg bek bet bga bgb bgc bgd bge bgg bgk bgt bka bkb bkc bke bkg bkk bkt bta btb btc btd bte btg btk btt c-- caa cab cac cad cae cag cak cat cba cbb cbc cbd cbe cbg cbk cbt cca ccb ccc ccd cce ccg cck cct cda cdb cdc cdd cde cdg cdk cdt ce- cea ceb cec ced cee ceg cek cet cga cgb cgc cgd cge cgg cgt cka ckb ckc ckd ckt cta ctb ctc ctd cte ctg ctk ctt daa dab dac dad dae dag dak dat dba dbb dbc dbd dbe dbg dbk dbt dca dcb dcc dcd dce dcg dck dct dda ddb ddc ddd dde ddg ddk ddt de- dea deb dec ded dee deg dek det dga dgc dgd dge dgg dgk dgt dka dkb dkc dke dkg dkk dkt dta dtb dtc dtd dte dtg dtk dtt eaa eab eac ead eae eag eak eat eba ebb ebc ebd ebe ebg ebk ebt ec- eca ecb ecc ecd ece ecg eck ect ed- eda edb edc edd ede edg edk edt eea eeb eec eed eee eeg eek eet ega egb egc egd ege egg egt eka ekb ekc ekd eke ekg ekt eta etb etc etd ete etg etk ett g-d gaa gab gac gad gae gag gak gat gba gbc gbd gbe gbg gbk gbt gca gcb gcc gcd gce gcg gck gct gda gdb gdc gdd gde gdk gdt ge- gea geb gec ged gee geg gek get gga ggb ggc ggd ggg ggt gka gkb gkd gkt gta gtb gtc gtd gte gtg gtk gtt k-t ka- kaa kab kac kad kae kag kak kat kba kbb kbc kbd kbe kbk kca kcb kcc kcd kce kcg kck kct kda kdb kdc kde kdg kdk kdt ke- kea keb kec ked kee keg kek ket kga kgb kgc kgd kkb kkc kke kkk kkt kta ktb ktc kte ktg ktk ktt taa tab tac tad tae tag tak tat tba tbb tbc tbd tbe tbg tbk tbt tca tcb tcc tcd tce tcg tck tct tda tdb tdc tdd tde tdg tdk tdt te- tea teb tec ted tee teg tek tet tga tgb tgc tge tgg tgk tgt tka tkb tkc tke tkg tkk tkt tta ttb ttc ttd tte ttg ttk ttt

a-ak a-be aaaa aaab aaac aaad aaae aaba aabb aabc aabd aabt aaca aacb aacc aacd aace aack aact aada aadc aade aadt aaea aaec aage aaka aake aata aatc aatk aatt abaa abab abac abad abae abag abak abat abb- abba abbb abbe abbt abca abcb abcc abcd abct abda abec abed abee abet abgd abta ac-t acaa acab acac acad acae acag acat acba acca accc accd acce acct acda acdb acdc acde acdt ace- acea acec aced acek acet acga ackd acke acta actc acte actg actt adaa adab adac adad adae adag adak adat adba adbc adcc adda addc addd adde adea adeb adee adet adta aeac aecb aect aede aedt aega aeka aeta aetc aett agac agad agag agat agba agca agcc agce agct agda agde agea aged agee aget agga agge agta agte akaa akae akca aked akee akeg akka akte at-t ataa atab atac atad atae atak atat atca atcc atck atdt atea atec ated atee atka atkt atta atte baaa baad baak baat baba babb babe bac- baca bacc bace back bact bada badb badd bade baed baek baga bage bagg bagt bak- baka bake bakt bata batc bate batt bbad bbbb bbdd bbeb bbet bbga bcaa bcat bcbc bcbg bcca bccc bcda bcde bcec bcet bctc bdbc bddc bead beag beak beat beba bebb bebe beca beck beda bede beeb beed beeg beek beet bega begg beka beke beta betc bete bett bgca bkgd btaa btcc btdt btec btek bttb c-cd caaa caab caac caat caba cabe cabg cac- caca cacc cace cack cada cadc cadd cade caec caga cage cagg caka cake cat- cata catb catc catd cate catt cbac cbat cbbc cbca cbcc cbce cbct cbdb cbdc cbea cbec cbee cbet cbga cbgb cbka cbkg cbta cbtc ccaa ccab ccac ccad ccag ccat ccba ccbc ccca cccb cccc ccdc cced ccee ccga ccgc ccgt cctb cctc cctt cd-e cdaa cdac cdad cdba cdda cddb cdec ceac cead ceat ceba cec- ceca cece cect ceda cedd cede cedt ceeb ceec cege ceke cet- ceta cete cgac cgcc cgcg cged ckac ckat ckbc ckbe ckck ckga cktb ctab ctae ctag ctba ctca ctec ctge ctta daab daad daae daag daba dabb dabt daca dace dact dada dade daeb daga dage dagg daka dake data date datt dbag dbcc dbtt dcbc dcca dccb dccc dcct dcdb dctc dddd deac dead deae deak deba debe debt dec- deca decc decd dece deck dect deda dedd dede deeb deed deeg deek deet dega dege dek- deka deke deta dete detk dgac dgca dgeg dgge dgka dgkb dgkd dgkg dkba dkdc dtaa dtac dtcc dted dtek eaba eaca eacc eada eadb eadd eaec eaga eage eata eate ebac ebba ebbc ebcc ebed ecaa ecac ecad ecat ecbc ecbe ecca eccb eccc ecce ecct ecdc eced ecka ect- ecta ectc edac edad edag edca edda eddc edde ede- edea edge edta eeca eede eeea eeee eega eeka eeke eeta eetc eete egaa egad egae egat