-er -ey bbb bbc bbd bbe bbm bbo bbr bby bcb bcc bcd bce bcm bco bcr bcy bdb bdc bdd bde bdm bdo bdr bdy be- beb bec bed bee bem beo ber bey bmb bmc bmd bme bmm bmo bmr bob boc bod boe bom boo bor boy brb brd bre brm bro brr bry by- byc byd bye bym byo byr c-- cbb cbc cbd cbe cbm cbo cbr cby ccb ccc ccd cce ccm cco ccr cdb cdc cdd cde cdm cdo cdr cdy ce- ceb cec ced cee cem ceo cer cey cmb cmc cmd cme cmm cmo cmr cmy co- cob coc cod coe com coo cor coy crb crc crd cre crm cro crr cry cyb cyc cyd cye cym cyo cyr dbb dbc dbd dbe dbm dbo dbr dby dcb dcc dcd dce dcm dco dcr ddb ddc ddd dde ddm ddo ddr ddy de- deb dec ded dee dem deo der dey dmb dmc dmd dme dmm dmo dmr dob doc dod doe dom doo dor doy drb drc drd dre drm dro drr dry dy- dyb dyc dyd dye dym dyo dyr dyy ebb ebc ebd ebe ebm ebo ebr eby ec- ecb ecc ecd ece ecm eco ecr ed- edb edc edd ede edm edo edr edy eeb eec eed eee eem eeo eer eey em- emb emc emd eme emm emo emr eo- eob eoc eod eoe eom eoo eor erb erc erd ere erm ero err ery eyc eyd eye eym eyo eyr m-o m-r mbb mbc mbd mbe mbm mbo mbr mc- mcb mcc mcd mce mcm mco mcr mdb mdc mdd mde mdm mdo mdr mdy meb mec med mee mem meo mer mey mmb mmc mmd mme mmm mmo mmr mob moc mod moe mom moo mor moy mrb mrc mrd mre mrm mro mrr mry my- myb myc myd mye mym myo myr ob- obb obc obd obe obm obo obr oby oc- ocb occ ocd ocm oco ocr odb odc odd ode odm odo odr oeb oec oed oee oem oeo oer oey om- omb omc omd ome omm omo omr omy oo- oob ooc ood oom ooo oor or- orb orc ord ore orm oro orr ory oyd oye oyo rbb rbc rbd rbe rbm rbo rbr rcb rcc rcd rce rcm rco rcr rdb rdc rdd rde rdm rdo rdr rdy re- reb rec red ree rem reo rer rey rmb rmc rmd rme rmm rmo rmr rob roc rod roe rom roo ror roy rrb rrc rrd rrm rrr ry- ryc ryd rye rym ryo ryr ryy ybc ybe ybm ybr yby ycc ycd yce yco ycy yde ydo ydy yeb yec yed yee yem yeo yer yey ymc yme ymm ymo yob yoc yod yoe yom yoo yor yoy yrc yre yro yyb yyc yye yyy