-er -ey -ic bbb bbc bbe bbi bbm bbo bbr bby bcb bcc bce bci bcm bco bcr bcy be- beb bec bee bei bem beo ber bey bi- bib bic bie bii bim bio bir biy bmb bmc bme bmi bmm bmo bmr bob boc boe boi bom boo bor boy brb bre bri brm bro brr bry by- byc bye byi bym byo byr c-- cbb cbc cbe cbi cbm cbo cbr cby ccb ccc cce cci ccm cco ccr ce- ceb cec cee cei cem ceo cer cey ci- cib cic cie cii cim cio cir cmb cmc cme cmi cmm cmo cmr cmy co- cob coc coe coi com coo cor coy crb crc cre cri crm cro crr cry cyb cyc cye cym cyo cyr ebb ebc ebe ebi ebm ebo ebr eby ec- ecb ecc ece eci ecm eco ecr eeb eec eee eem eeo eer eey eib eic eie eii eim eio eir em- emb emc eme emi emm emo emr eo- eob eoc eoe eoi eom eoo eor erb erc ere eri erm ero err ery eyc eye eym eyo eyr ibb ibc ibe ibi ibm ibo ibr iby icb icc ice ici icm ico icr icy ie- iec iee iei iem ier iey iib iic iie iii iim iio iir im- imb imc ime imi imm imo imy io- iob ioc ioe ioi iom ioo ior ir- irb irc ire iri irm iro irr iry iyc iye iym iyo iyr iyy m-o m-r mbb mbc mbe mbi mbm mbo mbr mc- mcb mcc mce mci mcm mco mcr meb mec mee mei mem meo mer mey mi- mib mic mie mii mim mio mir miy mmb mmc mme mmi mmm mmo mmr mob moc moe moi mom moo mor moy mrb mrc mre mri mrm mro mrr mry my- myb myc mye mym myo myr o-i ob- obb obc obe obi obm obo obr oby oc- ocb occ oci ocm oco ocr oeb oec oee oei oem oeo oer oey oib oic oie oii oim oio oir om- omb omc ome omi omm omo omr omy oo- oob ooc ooi oom ooo oor or- orb orc ore ori orm oro orr ory oye oyi oyo rbb rbc rbe rbi rbm rbo rbr rcb rcc rce rci rcm rco rcr re- reb rec ree rei rem reo rer rey rib ric rie rii rim rio rir riy rmb rmc rme rmi rmm rmo rmr rob roc roe roi rom roo ror roy rrb rrc rri rrm rrr ry- ryc rye rym ryo ryr ryy ybc ybe ybi ybm ybr yby ycc yce yci yco ycy yeb yec yee yei yem yeo yer yey yie yii yim yio yir ymc yme ymi ymm ymo yob yoc yoe yoi yom yoo yor yoy yrc yre yro yyb yyc yye yyy