-er -ey bbb bbe bbi bbm bbr bby be- beb bee bei bem ber bey bi- bib bie bii bim bir biy bmb bme bmi bmm bmr brb bre bri brm brr bry by- bye byi bym byr ebb ebe ebi ebm ebr eby eeb eee eem eer eey eib eie eii eim eir em- emb eme emi emm emr erb ere eri erm err ery eye eym eyr ibb ibe ibi ibm ibr iby ie- iee iei iem ier iey iib iie iii iim iir im- imb ime imi imm imy ir- irb ire iri irm irr iry iye iym iyr iyy m-r mbb mbe mbi mbm mbr meb mee mei mem mer mey mi- mib mie mii mim mir miy mmb mme mmi mmm mmr mrb mre mri mrm mrr mry my- myb mye mym myr rbb rbe rbi rbm rbr re- reb ree rei rem rer rey rib rie rii rim rir riy rmb rme rmi rmm rmr rrb rri rrm rrr ry- rye rym ryr ryy ybe ybi ybm ybr yby yeb yee yei yem yer yey yie yii yim yir yme ymi ymm yre yyb yye yyy