-er -ey -up a-a a-b a-c aaa aab aac aae aak aap aar aau aay ab- aba abb abc abe abk abp abr abu aby ac- aca acb acc ace ack acp acr acu acy aea aeb aec aee aek aep aer aeu aey aka akb akc ake akk akp akr aku ap- apa apb apc ape apk app apr apu apy ar- ara arb arc are ark arp arr aru ary au- aua aub auc aue auk aup aur ay- aya ayc aye ayk ayp ayr ayu b-p b-u baa bab bac bae bak bap bar bau bay bba bbb bbc bbe bbk bbp bbr bbu bby bca bcb bcc bce bck bcp bcr bcu bcy be- bea beb bec bee bek bep ber beu bey bka bkb bkc bke bkk bkp bkr bpa bpb bpc bpe bpp bpr bpu bpy bra brb bre brk brp brr bru bry bua bub buc bue buk bup bur buu buy by- bya byc bye byk byp byr byu c-- caa cab cac cae cak cap car cau cay cba cbb cbc cbe cbk cbp cbr cbu cby cca ccb ccc cce cck ccp ccr ccu ce- cea ceb cec cee cek cep cer ceu cey cka ckb ckc cky cpa cpb cpc cpe cpk cpp cpr cpu cra crb crc cre crk crp crr cru cry cua cub cuc cue cuk cup cur cuu cuy cya cyb cyc cye cyk cyp cyr eaa eab eac eae eak eap ear eau eba ebb ebc ebe ebk ebp ebr ebu eby ec- eca ecb ecc ece eck ecr ecu eea eeb eec eee eek eep eer eey eka ekb ekc eke ekp ekr eku eky ep- epa epb epc epe epp epr epu era erb erc ere erk erp err eru ery eu- eua eub euc eue eup eur eya eyc eye eyp eyr ka- kaa kab kac kae kak kap kar kau kay kba kbb kbc kbe kbk kbp kbr kbu kca kcb kcc kce kck kcp kcr kcu ke- kea keb kec kee kek kep ker key kkb kkc kke kkk kkp kkr kku kky kpa kpc kpe kpk kpp kpr kpu kra krc krk krp krr kru kry kub kuc kue kuk kup kur kuu kuy kya kyc kye kyp kyr kyu p-p paa pab pac pae pak pap par pau pay pba pbb pbc pbe pbk pbp pbr pbu pby pca pcb pcc pce pck pcp pcr pcu pea peb pec pee pek pep per peu pey pka pkb pkc pke pkp pkr pku pky ppa ppb ppc ppe ppk ppp ppr ppu pra prb prc pre prk prp prr pru pry pua pub puc pue puk pup pur puu puy py- pya pyb pyc pye pyk pyr pyu ra- raa rab rac rae rak rap rar rau ray rba rbb rbc rbe rbk rbp rbr rbu rca rcb rcc rce rcp rcr rcu re- rea reb rec ree rek rep rer reu rey rkb rkc rke rkk rkp rku rky rpa rpb rpc rpe rpk rpp rpr rpu rra rrb rrc rrk rrp rrr rru rua rub ruc rue ruk rup rur ruu ruy ry- rya ryc rye ryk ryr ryu ryy ua- uaa uab uac uae uak uap uar uau uay uba ubb ubc ube ubk ubp ubr ubu uby uca ucb ucc uce uck ucp ucr ucu uea ueb uec uee uep uer uey uka ukb ukc uke ukk ukp ukr uku up- upa upb upc upe upk upp upr upu ur- ura urb urc ure urk urp urr uru ury uua uuc uue uur uuu uyc uyu yaa yab yac yae yak yap yar yau yay ybc ybe ybp ybr yby yca ycc yce ycp ycu ycy yea yeb yec yee yek yep yer yey yka ykk ypa ypu yra yrc yre yrp yru yua yue yuk yup yur yuu yuy yyb yyc yye yyu yyy