-up a-a a-b a-c a-t aaa aab aac aae aak aap aat aau ab- aba abb abc abe abk abp abt abu ac- aca acb acc ace ack acp act acu aea aeb aec aee aek aep aet aeu aka akb akc ake akk akp aku ap- apa apb apc ape apk app apt apu at- ata atb atc ate atp att atu au- aua aub auc aue auk aup aut b-p b-u baa bab bac bae bak bap bat bau bba bbb bbc bbe bbk bbp bbt bbu bca bcb bcc bce bck bcp bct bcu be- bea beb bec bee bek bep bet beu bka bkb bkc bke bkk bkp bkt bpa bpb bpc bpe bpp bpt bpu bta btb btc bte btk btp btt btu bua bub buc bue buk bup but buu c-- caa cab cac cae cak cap cat cau cba cbb cbc cbe cbk cbp cbt cbu cca ccb ccc cce cck ccp cct ccu ce- cea ceb cec cee cek cep cet ceu cka ckb ckc ckt cpa cpb cpc cpe cpk cpp cpt cpu cta ctb ctc cte ctk ctp ctt ctu cua cub cuc cue cuk cup cut cuu eaa eab eac eae eak eap eat eau eba ebb ebc ebe ebk ebp ebt ebu ec- eca ecb ecc ece eck ect ecu eea eeb eec eee eek eep eet eka ekb ekc eke ekp ekt eku ep- epa epb epc epe epp ept epu eta etb etc ete etk etp ett etu eu- eua eub euc eue eup eut k-t ka- kaa kab kac kae kak kap kat kau kba kbb kbc kbe kbk kbp kbu kca kcb kcc kce kck kcp kct kcu ke- kea keb kec kee kek kep ket kkb kkc kke kkk kkp kkt kku kpa kpc kpe kpk kpp kpt kpu kta ktb ktc kte ktk ktp ktt ktu kub kuc kue kuk kup kut kuu p-p paa pab pac pae pak pap pat pau pba pbb pbc pbe pbk pbp pbt pbu pca pcb pcc pce pck pcp pct pcu pea peb pec pee pek pep pet peu pka pkb pkc pke pkp pkt pku ppa ppb ppc ppe ppk ppp ppt ppu pt- pta ptb ptc pte ptk ptp ptt ptu pua pub puc pue puk pup put puu taa tab tac tae tak tap tat tau tba tbb tbc tbe tbk tbp tbt tbu tca tcb tcc tce tck tcp tct tcu te- tea teb tec tee tek tep tet teu tka tkb tkc tke tkk tkp tkt tpa tpb tpc tpe tpk tpp tpt tpu tta ttb ttc tte ttk ttp ttt ttu tua tub tuc tue tuk tup tut tuu ua- uaa uab uac uae uak uap uat uau uba ubb ubc ube ubk ubp ubt ubu uca ucb ucc uce uck ucp uct ucu uea ueb uec uee uep uet uka ukb ukc uke ukk ukp uku up- upa upb upc upe upk upp upt upu uta utb utc ute utk utp utt utu uua uuc uue uut uuu

a-ak a-be aaaa aaab aaac aaae aaap aaba aabb aabc aabp aabt aaca aacb aacc aace aack aacp aact aacu aaea aaec aaep aaka aake aaku aapa aapc aapt aata aatc aatk aatt aaup abaa abab abac abae abak abap abat abau abb- abba abbb abbe abbt abca abcb abcc abcp abct abec abee abet abpa abpc abpp abta abtu abua abue abuk abut ac-t acaa acab acac acae acap acat acba acca accc acce accp acct accu ace- acea acec acek acet acke acpa acpe acpt acpu acta actc acte actt actu acu- acue acup acut aeac aeap aecb aect aeka aeta aetc aett akaa akae akap akca akee akeu akka akku akpu akte akua apac apak apap apat apba apca apcb apcc apea apec apep apet apeu apke appa appc appt appu apta aptc apte aptt apua apuc apup at-t ataa atab atac atae atak atap atat atca atcc atck atea atec atee atep atka atkt atta atte attp attu atua atub atuc atuk auaa aube auca auce aucp auct auke aupc aut- aute baaa baak baat baba babb babe babu bac- baca bacc bace back bact baek bak- baka bake bakt baku bapa bapc bape bapp bapt bapu bata batc bate batt batu bau- bauk bbau bbbb bbeb bbet bcaa bcap bcat bcbc bcbp bcca bccc bcec bcet bcpp bctc bcuc bcup beak beap beat beau beba bebb bebe beca beck becu beeb beek beep beet beka beke beta betc bete bett betu beuk bkpt bpcp bpea btaa btbp btcc btec btek bttb buat buba bubb bube bubu buca bucc buce buck bucu buea bueu buka buke bukk buku bupa bupc but- buta bute butt caaa caab caac caap caat caba cabe cabu cac- caca cacc cace cack caec caeu caka cake capa capb capc cape capp capt capu cat- cata catb catc cate catt catu cauc cauk caup caut cbac cbat cbbc cbca cbcc cbce cbcp cbct cbcu cbea cbec cbee cbet cbka cbpc cbpp cbta cbtc ccaa ccab ccac ccap ccat ccba ccbc ccca cccb cccc cccp cccu ccee ccpa ccpe ccpp cctb cctc cctt ccuc ccup ccut ceac ceat ceba cebp cebu cec- ceca cece cecp cect ceeb ceec ceke cepa cepc cepe cepp cept cet- ceta cete cetp ckac ckat ckbc ckbe ckck ckpc cktb cpaa cpac cpap cpbc cpca cpce cpcu cpea cpeb cpep cppa cptp ctab ctae ctba ctca ctcp ctec ctep ctpp ctta cuau cub- cuba cubb cube cuca cucc cuce cuck cuek cuk- cuka cuke cupe cupp cut- cuta cutc cute cutt eaba eaca eacc eaec eapc eapp eata eate ebac ebba ebbc ebcc ecaa ecac ecat ecbc ecbe ecca eccb eccc ecce ecct ecka ecpa ecpp ect- ecta ectc ecua eeca eeea eeee eeka eeke eeta eetc eete eetu eka- ekab ekeb ekek eket ekka ekpe ekta epaa epac epcc epec epee eppa eppc eppp epta epte epub etak etap etat etbc etcc etec etee etka etta ette