-ey a-a a-b a-t aaa aab aae aak aap aas aat aay ab- aba abb abe abk abp abs abt aby aea aeb aee aek aep aes aet aey aka akb ake akk akp aks ap- apa apb ape apk app aps apt apy as- asa asb ase ask asp ass ast asy at- ata atb ate atp ats att ay- aya aye ayk ayp ays ayt b-p baa bab bae bak bap bas bat bay bba bbb bbe bbk bbp bbs bbt bby be- bea beb bee bek bep bes bet bey bka bkb bke bkk bkp bks bkt bpa bpb bpe bpp bps bpt bpy bsa bsb bse bsk bsp bss bst bsy bta btb bte btk btp bts btt bty by- bya bye byk byp bys byt eaa eab eae eak eap eas eat eba ebb ebe ebk ebp ebs ebt eby eea eeb eee eek eep ees eet eey eka ekb eke ekp eks ekt eky ep- epa epb epe epp eps ept es- esa esb ese esk esp ess est esy eta etb ete etk etp ets ett ety eya eye eyp eys eyt k-t ka- kaa kab kae kak kap kas kat kay kba kbb kbe kbk kbp kbs ke- kea keb kee kek kep kes ket key kkb kke kkk kkp kks kkt kky kpa kpe kpk kpp kps kpt ksa ksb kse ksk ksp kss kst kta ktb kte ktk ktp kts ktt kya kye kyp kys kyt p-p paa pab pae pak pap pas pat pay pba pbb pbe pbk pbp pbs pbt pby pea peb pee pek pep pes pet pey pka pkb pke pkp pks pkt pky ppa ppb ppe ppk ppp pps ppt ps- psa psb pse psk psp pss pst psy pt- pta ptb pte ptk ptp pts ptt pty py- pya pyb pye pyk pys pyt saa sab sae sak sap sas sat say sba sbb sbe sbk sbp sbs sbt sby se- sea seb see sek sep ses set sey sk- ska skb ske skk skp sks skt sky spa spb spe spk spp sps spt spy ss- ssa ssb sse ssk ssp sss sst sta stb ste stk stp sts stt sty sy- sya syb sye syk syp sys syt taa tab tae tak tap tas tat tay tba tbb tbe tbk tbp tbs tbt te- tea teb tee tek tep tes tet tey tka tkb tke tkk tkp tks tkt tky tpa tpb tpe tpk tpp tps tpt tsa tsb tse tsk tsp tss tst tsy tta ttb tte ttk ttp tts ttt tty tya tye typ tys tyt yaa yab yae yak yap yas yat yay ybe ybp ybs yby yea yeb yee yek yep yes yet yey yka ykk ypa yps ysa ysb yse ysk ysp yss yst ysy yta yte ytk ytp yts ytt yyb yye yys yyt yyy