-er -ey b-p bbb bbe bbm bbp bbr bby be- beb bee bem bep ber bey bmb bme bmm bmp bmr bpb bpe bpm bpp bpr bpy brb bre brm brp brr bry by- bye bym byp byr ebb ebe ebm ebp ebr eby eeb eee eem eep eer eey em- emb eme emm emp emr ep- epb epe epm epp epr erb ere erm erp err ery eye eym eyp eyr m-r mbb mbe mbm mbp mbr meb mee mem mep mer mey mmb mme mmm mmp mmr mpb mpe mpm mpp mpr mrb mre mrm mrp mrr mry my- myb mye mym myr p-p pbb pbe pbm pbp pbr pby peb pee pem pep per pey pmb pme pmm pmp pmr ppb ppe ppm ppp ppr prb pre prm prp prr pry py- pyb pye pym pyr rbb rbe rbm rbp rbr re- reb ree rem rep rer rey rmb rme rmm rmp rmr rpb rpe rpm rpp rpr rrb rrm rrp rrr ry- rye rym ryr ryy ybe ybm ybp ybr yby yeb yee yem yep yer yey yme ymm yre yrp yyb yye yyy