-ey a-a a-b aaa aab aad aae aak aap aas aay ab- aba abb abd abe abk abp abs aby ad- ada adb add ade adk adp ads ady aea aeb aed aee aek aep aes aey aka akb akd ake akk akp aks ap- apa apb apd ape apk app aps apy as- asa asb asd ase ask asp ass asy ay- aya ayd aye ayk ayp ays b-p baa bab bad bae bak bap bas bay bba bbb bbd bbe bbk bbp bbs bby bda bdb bdd bde bdk bdp bds bdy be- bea beb bed bee bek bep bes bey bka bkb bke bkk bkp bks bpa bpb bpd bpe bpp bps bpy bsa bsb bsd bse bsk bsp bss bsy by- bya byd bye byk byp bys daa dab dad dae dak dap das day dba dbb dbd dbe dbk dbp dbs dby dda ddb ddd dde ddk ddp dds ddy de- dea deb ded dee dek dep des dey dka dkb dke dkk dkp dks dpa dpb dpd dpe dpk dpp dps dsa dsb dsd dse dsk dsp dss dsy dy- dya dyb dyd dye dyk dyp dys dyy eaa eab ead eae eak eap eas eba ebb ebd ebe ebk ebp ebs eby ed- eda edb edd ede edk edp eds edy eea eeb eed eee eek eep ees eey eka ekb ekd eke ekp eks eky ep- epa epb epd epe epp eps es- esa esb esd ese esk esp ess esy eya eyd eye eyp eys ka- kaa kab kad kae kak kap kas kay kba kbb kbd kbe kbk kbp kbs kda kdb kde kdk kdp kds kdy ke- kea keb ked kee kek kep kes key kkb kke kkk kkp kks kky kpa kpd kpe kpk kpp kps ksa ksb ksd kse ksk ksp kss kya kyd kye kyp kys p-p paa pab pad pae pak pap pas pay pba pbb pbd pbe pbk pbp pbs pby pda pdb pdd pde pdk pdp pds pea peb ped pee pek pep pes pey pka pkb pkd pke pkp pks pky ppa ppb ppd ppe ppk ppp pps ps- psa psb psd pse psk psp pss psy py- pya pyb pyd pye pyk pys saa sab sad sae sak sap sas say sba sbb sbd sbe sbk sbp sbs sby sda sdb sdd sde sdk sdp sds sdy se- sea seb sed see sek sep ses sey sk- ska skb skd ske skk skp sks sky spa spb spd spe spk spp sps spy ss- ssa ssb ssd sse ssk ssp sss sy- sya syb syd sye syk syp sys yaa yab yad yae yak yap yas yay ybe ybp ybs yby yda yde yds ydy yea yeb yed yee yek yep yes yey yka ykk ypa ypd yps ysa ysb yse ysk ysp yss ysy yyb yye yys yyy