-er -ey a-a a-b a-c aaa aab aac aae aak aap aar aay ab- aba abb abc abe abk abp abr aby ac- aca acb acc ace ack acp acr acy aea aeb aec aee aek aep aer aey aka akb akc ake akk akp akr ap- apa apb apc ape apk app apr apy ar- ara arb arc are ark arp arr ary ay- aya ayc aye ayk ayp ayr b-p baa bab bac bae bak bap bar bay bba bbb bbc bbe bbk bbp bbr bby bca bcb bcc bce bck bcp bcr bcy be- bea beb bec bee bek bep ber bey bka bkb bkc bke bkk bkp bkr bpa bpb bpc bpe bpp bpr bpy bra brb bre brk brp brr bry by- bya byc bye byk byp byr c-- caa cab cac cae cak cap car cay cba cbb cbc cbe cbk cbp cbr cby cca ccb ccc cce cck ccp ccr ce- cea ceb cec cee cek cep cer cey cka ckb ckc cky cpa cpb cpc cpe cpk cpp cpr cra crb crc cre crk crp crr cry cya cyb cyc cye cyk cyp cyr eaa eab eac eae eak eap ear eba ebb ebc ebe ebk ebp ebr eby ec- eca ecb ecc ece eck ecr eea eeb eec eee eek eep eer eey eka ekb ekc eke ekp ekr eky ep- epa epb epc epe epp epr era erb erc ere erk erp err ery eya eyc eye eyp eyr ka- kaa kab kac kae kak kap kar kay kba kbb kbc kbe kbk kbp kbr kca kcb kcc kce kck kcp kcr ke- kea keb kec kee kek kep ker key kkb kkc kke kkk kkp kkr kky kpa kpc kpe kpk kpp kpr kra krc krk krp krr kry kya kyc kye kyp kyr p-p paa pab pac pae pak pap par pay pba pbb pbc pbe pbk pbp pbr pby pca pcb pcc pce pck pcp pcr pea peb pec pee pek pep per pey pka pkb pkc pke pkp pkr pky ppa ppb ppc ppe ppk ppp ppr pra prb prc pre prk prp prr pry py- pya pyb pyc pye pyk pyr ra- raa rab rac rae rak rap rar ray rba rbb rbc rbe rbk rbp rbr rca rcb rcc rce rcp rcr re- rea reb rec ree rek rep rer rey rkb rkc rke rkk rkp rky rpa rpb rpc rpe rpk rpp rpr rra rrb rrc rrk rrp rrr ry- rya ryc rye ryk ryr ryy yaa yab yac yae yak yap yar yay ybc ybe ybp ybr yby yca ycc yce ycp ycy yea yeb yec yee yek yep yer yey yka ykk ypa yra yrc yre yrp yyb yyc yye yyy

a-ak a-be a-ya aaaa aaab aaac aaae aaap aaar aaba aabb aabc aabp aaby aaca aacb aacc aace aack aacp aacr aacy aaea aaec aaep aaka aake aapa aapc aara aarc aare aarp abaa abab abac abae abak abap abar abay abb- abba abbb abbe abbr abby abca abcb abcc abcp abcr abec abee aber abey abpa abpc abpp abpr abra abrc abry abyc abye abyy acaa acab acac acae acap acar acba acca accc acce accp accy ace- acea acec acek acer acey acke acpa acpe acpr acr- acra acrc acre acrr acry aeac aeap aeby aecb aeer aeka aer- aera aerc aery akaa akae akap akar akay akca akee aker akey akka akr- akra akre akyr apac apak apap apar apay apba apbr apca apcb apcc apcr apea apec apep aper apke appa appc appr appy apra aprc apre arab arac arae arak arap arar aray arba arbe arby arc- arca arce area arec aree arek arep arey arka arke arky arpa arpe arpy arr- arra arrc arre arrk arrr arry ary- arya arye aryk ayar ayay ayca ayce ayer ayra ayre ayrk ayry ayya baaa baak baar baba babb babe babr baby bac- baca bacc bace back baek baer bak- baka bake bakr bapa bapc bape bapp bar- bara barb barc bare bark barr bary baya baye bbay bbbb bbeb bbpr bbrc bcaa bcap bcar bcbc bcbp bcca bccc bcec bcer bcpp bcra beak beap bear beay beba bebb bebe beby beca beck beeb beek beep beer beey beka beke bera berc bere berk berr bery beya beye beyk bkcy bkpr bkry bpay bpcp bpea bprc brab brac brae brak bray brca brcb brce brea breb brec bree brek brep brer brey brka brkb brrr bry- brya brye bryk byar byce byck byer byke byre byrk caaa caab caac caap caba cabe caby cac- caca cacc cace cack cacr caec caer caka cake caky capa capb capc cape capp capy cara carb carc care cark carp carr cary caye cayr cbac cbar cbbc cbca cbcc cbce cbcp cbcr cbea cbec cbee cber cbka cbkr cbpc cbpp cbre cbry ccaa ccab ccac ccap ccar ccba ccbc ccca cccb cccc cccp ccee ccpa ccpe ccpp ccpr ccra ccrc ccre ccrp ceac cear ceba cebp cec- ceca cece cecp ceeb ceec ceke cepa cepc cepe cepp cepr cer- cera cerc cere cerp cery ckac ckbc ckbe ckck ckcy cker ckey ckpc ckpr ckrc ckry cpaa cpac cpap cpbc cpca cpce cpea cpeb cpep cper cppa cpre crab crac crap crar cray crbc crca crcc crce crcr cre- crea creb crec cree crep crkc crkp crpc cry- crya cryb cya- cyaa cyar cyba cybb cybc cyc- cyca cycb cycc cyke cypa cypc cyra cyre cyrk cyy- cyyc eaba eaca eacc eaec eapc eapp eara earb eare earp eary ebac ebay ebba ebbc ebbr ebby ebcc eber ebya ecaa ecac ecar ecbc ecbe ecca eccb eccc ecce ecka ecky ecpa ecpp ecra ecrc ecrr eeby eeca eeea eeee eeka eeke eera eerc eery eka- ekab ekeb ekek eker ekka ekpe epaa epac epcc epec epee eper eppa eppc eppp eppy epra eprb eprp erap eray erba erbb erbe erca ercc erce ercp ereb erec erer erke erpa erpe erra errc erre erya