-ey a-a a-b aaa aab aae aam aap aas aay ab- aba abb abe abm abp abs aby aea aeb aee aem aep aes aey ama amb ame amm amp ams amy ap- apa apb ape apm app aps apy as- asa asb ase asm asp ass asy ay- aya aye ayp ays b-p baa bab bae bam bap bas bay bba bbb bbe bbm bbp bbs bby be- bea beb bee bem bep bes bey bma bmb bme bmm bmp bms bpa bpb bpe bpm bpp bps bpy bsa bsb bse bsm bsp bss bsy by- bya bye bym byp bys eaa eab eae eam eap eas eba ebb ebe ebm ebp ebs eby eea eeb eee eem eep ees eey em- ema emb eme emm emp ems ep- epa epb epe epm epp eps es- esa esb ese esm esp ess esy eya eye eym eyp eys maa mab mae mam map mas may mba mbb mbe mbm mbp mbs mea meb mee mem mep mes mey mma mmb mme mmm mmp mms mpa mpb mpe mpm mpp mps msa msb mse msm msp mss msy my- mya myb mye mym mys p-p paa pab pae pam pap pas pay pba pbb pbe pbm pbp pbs pby pea peb pee pem pep pes pey pma pmb pme pmm pmp pms ppa ppb ppe ppm ppp pps ps- psa psb pse psm psp pss psy py- pya pyb pye pym pys saa sab sae sam sap sas say sba sbb sbe sbm sbp sbs sby se- sea seb see sem sep ses sey sma smb sme smm smp sms smy spa spb spe spm spp sps spy ss- ssa ssb sse ssm ssp sss sy- sya syb sye sym syp sys yaa yab yae yam yap yas yay ybe ybm ybp ybs yby yea yeb yee yem yep yes yey yma yme ymm yms ypa yps ysa ysb yse ysm ysp yss ysy yyb yye yys yyy