-er -ey bbb bbe bbi bbm bbo bbr bby be- beb bee bei bem beo ber bey bez bi- bib bie bii bim bio bir biy biz bmb bme bmi bmm bmo bmr bmz bob boe boi bom boo bor boy boz brb bre bri brm bro brr bry brz by- bye byi bym byo byr byz bze bzo bzr bzz ebb ebe ebi ebm ebo ebr eby eeb eee eem eeo eer eey eib eie eii eim eio eir em- emb eme emi emm emo emr eo- eob eoe eoi eom eoo eor erb ere eri erm ero err ery erz eye eym eyo eyr eze ezo ezr ezz ibb ibe ibi ibm ibo ibr iby ibz ie- iee iei iem ier iey iib iie iii iim iio iir im- imb ime imi imm imo imy imz io- iob ioe ioi iom ioo ior ir- irb ire iri irm iro irr iry iye iym iyo iyr iyy ize izi izm izo izy izz m-o m-r mbb mbe mbi mbm mbo mbr meb mee mei mem meo mer mey mez mi- mib mie mii mim mio mir miy miz mmb mme mmi mmm mmo mmr mmz mob moe moi mom moo mor moy moz mrb mre mri mrm mro mrr mry mrz my- myb mye mym myo myr mzb mzi mzm o-i ob- obb obe obi obm obo obr oby oeb oee oei oem oeo oer oey oib oie oii oim oio oir oiz om- omb ome omi omm omo omr omy omz oo- oob ooi oom ooo oor or- orb ore ori orm oro orr ory orz oye oyi oyo oze ozm ozo ozz rbb rbe rbi rbm rbo rbr re- reb ree rei rem reo rer rey rez rib rie rii rim rio rir riy riz rmb rme rmi rmm rmo rmr rob roe roi rom roo ror roy roz rrb rri rrm rrr ry- rye rym ryo ryr ryy ryz rzb rze rzm rzo rzy ybe ybi ybm ybr yby ybz yeb yee yei yem yeo yer yey yez yie yii yim yio yir yiz yme ymi ymm ymo yob yoe yoi yom yoo yor yoy yre yro yyb yye yyy yyz yzb yzr yzy zbb zbm zbr zby zeb zee zem zeo zer zez zib zie zim zio zir ziz zmb zmm zo- zob zoe zoi zom zoo zor zro zym zzr zzy zzz