a-a a-b a-c a-t aaa aab aac aae aag aak aap aat ab- aba abb abc abe abg abk abp abt ac- aca acb acc ace acg ack acp act aea aeb aec aee aeg aek aep aet ag- aga agb agc age agg agk agp agt aka akb akc ake akg akk akp ap- apa apb apc ape apg apk app apt at- ata atb atc ate atg atp att b-p baa bab bac bae bag bak bap bat bba bbb bbc bbe bbg bbk bbp bbt bca bcb bcc bce bcg bck bcp bct be- bea beb bec bee beg bek bep bet bga bgb bgc bge bgg bgk bgp bgt bka bkb bkc bke bkg bkk bkp bkt bpa bpb bpc bpe bpg bpp bpt bta btb btc bte btg btk btp btt c-- caa cab cac cae cag cak cap cat cba cbb cbc cbe cbg cbk cbp cbt cca ccb ccc cce ccg cck ccp cct ce- cea ceb cec cee ceg cek cep cet cga cgb cgc cge cgg cgp cgt cka ckb ckc ckt cpa cpb cpc cpe cpg cpk cpp cpt cta ctb ctc cte ctg ctk ctp ctt eaa eab eac eae eag eak eap eat eba ebb ebc ebe ebg ebk ebp ebt ec- eca ecb ecc ece ecg eck ect eea eeb eec eee eeg eek eep eet ega egb egc ege egg egp egt eka ekb ekc eke ekg ekp ekt ep- epa epb epc epe epg epp ept eta etb etc ete etg etk etp ett g-p gaa gab gac gae gag gak gap gat gba gbc gbe gbg gbk gbp gbt gca gcb gcc gce gcg gck gcp gct ge- gea geb gec gee geg gek gep get gga ggb ggc ggg ggp ggt gka gkb gkp gkt gpa gpb gpc gpe gpg gpk gpp gpt gta gtb gtc gte gtg gtk gtp gtt k-t ka- kaa kab kac kae kag kak kap kat kba kbb kbc kbe kbk kbp kca kcb kcc kce kcg kck kcp kct ke- kea keb kec kee keg kek kep ket kga kgb kgc kgp kkb kkc kke kkk kkp kkt kpa kpc kpe kpk kpp kpt kta ktb ktc kte ktg ktk ktp ktt p-p paa pab pac pae pag pak pap pat pba pbb pbc pbe pbg pbk pbp pbt pca pcb pcc pce pcg pck pcp pct pea peb pec pee peg pek pep pet pga pgb pgc pge pgg pgk pgp pgt pka pkb pkc pke pkg pkp pkt ppa ppb ppc ppe ppg ppk ppp ppt pt- pta ptb ptc pte ptg ptk ptp ptt taa tab tac tae tag tak tap tat tba tbb tbc tbe tbg tbk tbp tbt tca tcb tcc tce tcg tck tcp tct te- tea teb tec tee teg tek tep tet tga tgb tgc tge tgg tgk tgp tgt tka tkb tkc tke tkg tkk tkp tkt tpa tpb tpc tpe tpg tpk tpp tpt tta ttb ttc tte ttg ttk ttp ttt

a-ak a-be aaaa aaab aaac aaae aaap aaba aabb aabc aabp aabt aaca aacb aacc aace aack aacp aact aaea aaec aaep aage aaka aake aapa aapc aapt aata aatc aatk aatt abaa abab abac abae abag abak abap abat abb- abba abbb abbe abbt abca abcb abcc abcp abct abec abee abet abpa abpc abpp abta ac-t acaa acab acac acae acag acap acat acba acca accc acce accp acct ace- acea acec acek acet acga acke acpa acpe acpt acta actc acte actg actt aeac aeap aecb aect aega aeka aeta aetc aett agac agag agap agat agba agca agcc agce agct agea agee agep aget agga agge agta agte akaa akae akap akca akee akeg akka akte apac apak apap apat apba apbg apca apcb apcc apea apec apeg apep apet apga apke appa appc appt apta aptc apte aptt at-t ataa atab atac atae atak atap atat atca atcc atck atea atec atee atep atka atkt atta atte attp baaa baak baat baba babb babe bac- baca bacc bace back bact baek baga bage bagg bagt bak- baka bake bakt bapa bapc bape bapp bapt bata batc bate batt bbbb bbeb bbet bbga bcaa bcap bcat bcbc bcbg bcbp bcca bccc bcec bcet bcpp bctc beag beak beap beat beba bebb bebe beca beck beeb beeg beek beep beet bega begg beka beke beta betc bete bett bgca bkpg bkpt bpcp bpea btaa btbp btcc btec btek bttb caaa caab caac caap caat caba cabe cabg cac- caca cacc cace cack caec caga cage cagg caka cake capa capb capc cape capp capt cat- cata catb catc cate catt cbac cbat cbbc cbca cbcc cbce cbcp cbct cbea cbec cbee cbet cbga cbgb cbka cbkg cbpc cbpp cbta cbtc ccaa ccab ccac ccag ccap ccat ccba ccbc ccca cccb cccc cccp ccee ccga ccgc ccgt ccpa ccpe ccpp cctb cctc cctt ceac ceat ceba cebp cec- ceca cece cecp cect ceeb ceec cege ceke cepa cepc cepe cepp cept cet- ceta cete cetp cgac cgap cgcc cgcg cgtp ckac ckat ckbc ckbe ckck ckga ckpc ckpg cktb cpaa cpac cpag cpap cpbc cpca cpce cpea cpeb cpep cpga cpgb cppa cptp ctab ctae ctag ctba ctca ctcp ctec ctep ctge ctpp ctta eaba eaca eacc eaec eaga eage eapc eapp eata eate ebac ebba ebbc ebcc ecaa ecac ecat ecbc ecbe ecca eccb eccc ecce ecct ecka ecpa ecpg ecpp ect- ecta ectc eeca eeea eeee eega eeka eeke eeta eetc eete egaa egae egat egba egbe egcc egcg egea egec egee eggb egge eggp egpa egpb egpe egta egte egtk eka- ekab ekeb ekek eket ekka ekpe ekta epaa epac epcc epec epee eppa eppc eppp epta epte etag etak etap etat etbc etcc etec etee etka etta ette gaap gaba gabb gabe gabp gabt gace gack gaea gaec gaga gage gagg gapa gape gapp gapt gata gatc gate gatt gbag gbap gc-c gcaa gcap gcat gcbc gccc gcet gcpc