-er -ey b-u bbb bbe bbi bbm bbr bbs bbu bby be- beb bee bei bem ber bes beu bey bi- bib bie bii bim bir bis biu biy bmb bme bmi bmm bmr bms bmu brb bre bri brm brr brs bru bry bsb bse bsi bsm bsr bss bsu bsy bub bue bui bum bur bus buu buy by- bye byi bym byr bys byu ebb ebe ebi ebm ebr ebs ebu eby eeb eee eem eer ees eey eib eie eii eim eir eis eiu em- emb eme emi emm emr ems emu erb ere eri erm err ers eru ery es- esb ese esi esm esr ess esu esy eu- eub eue eui eur eus eye eym eyr eys ibb ibe ibi ibm ibr ibs ibu iby ie- iee iei iem ier ies iey iib iie iii iim iir iis iiu im- imb ime imi imm ims imu imy ir- irb ire iri irm irr irs iru iry is- isb ise isi ism isr iss isu isy iu- iub iue iui ium iur ius iye iym iyr iys iyy m-r mbb mbe mbi mbm mbr mbs mbu meb mee mei mem mer mes meu mey mi- mib mie mii mim mir mis miu miy mmb mme mmi mmm mmr mms mmu mrb mre mri mrm mrr mrs mru mry msb mse msi msm msr mss msu msy mub mue mui mum mur mus muu muy my- myb mye mym myr mys myu rbb rbe rbi rbm rbr rbs rbu re- reb ree rei rem rer res reu rey rib rie rii rim rir ris riy rmb rme rmi rmm rmr rms rrb rri rrm rrr rrs rru rsb rse rsi rsm rsr rss rsu rub rue rui rum rur rus ruu ruy ry- rye rym ryr rys ryu ryy sbb sbe sbi sbm sbr sbs sbu sby se- seb see sei sem ser ses seu sey sib sie sii sim sir sis siu smb sme smi smm smr sms smu smy sr- srb sre sri srm srr srs sry ss- ssb sse ssi ssm ssr sss ssu sub sue sui sum sur sus suu suy sy- syb sye syi sym syr sys syu ubb ube ubi ubr ubs ubu uby ueb uee uei uem uer ues uey uib uie uii uim uir uis uiu um- umb ume umi umm umr ums umu ur- urb ure uri urm urr urs uru ury usb use usi usm usr uss usu uue uum uur uus uuu uyi uys uyu ybe ybi ybm ybr ybs yby yeb yee yei yem yer yes yey yie yii yim yir yis yme ymi ymm yms yre yrs yru ysb yse ysi ysm ysr yss ysu ysy yue yui yum yur yus yuu yuy yyb yye yys yyu yyy