-er -ey bbb bbc bbd bbe bbm bbo bbr bbs bby bcb bcc bcd bce bcm bco bcr bcs bcy bdb bdc bdd bde bdm bdo bdr bds bdy be- beb bec bed bee bem beo ber bes bey bmb bmc bmd bme bmm bmo bmr bms bob boc bod boe bom boo bor bos boy brb brd bre brm bro brr brs bry bsb bsc bsd bse bsm bso bsr bss bsy by- byc byd bye bym byo byr bys c-- cbb cbc cbd cbe cbm cbo cbr cbs cby ccb ccc ccd cce ccm cco ccr ccs cdb cdc cdd cde cdm cdo cdr cds cdy ce- ceb cec ced cee cem ceo cer ces cey cmb cmc cmd cme cmm cmo cmr cms cmy co- cob coc cod coe com coo cor cos coy crb crc crd cre crm cro crr crs cry csb csc csd cse csm cso csr css csy cyb cyc cyd cye cym cyo cyr cys dbb dbc dbd dbe dbm dbo dbr dbs dby dcb dcc dcd dce dcm dco dcr dcs ddb ddc ddd dde ddm ddo ddr dds ddy de- deb dec ded dee dem deo der des dey dmb dmc dmd dme dmm dmo dmr dms dob doc dod doe dom doo dor dos doy drb drc drd dre drm dro drr drs dry dsb dsc dsd dse dsm dso dsr dss dsy dy- dyb dyc dyd dye dym dyo dyr dys dyy ebb ebc ebd ebe ebm ebo ebr ebs eby ec- ecb ecc ecd ece ecm eco ecr ecs ed- edb edc edd ede edm edo edr eds edy eeb eec eed eee eem eeo eer ees eey em- emb emc emd eme emm emo emr ems eo- eob eoc eod eoe eom eoo eor eos erb erc erd ere erm ero err ers ery es- esb esc esd ese esm eso esr ess esy eyc eyd eye eym eyo eyr eys m-o m-r mbb mbc mbd mbe mbm mbo mbr mbs mc- mcb mcc mcd mce mcm mco mcr mcs mdb mdc mdd mde mdm mdo mdr mds mdy meb mec med mee mem meo mer mes mey mmb mmc mmd mme mmm mmo mmr mms mob moc mod moe mom moo mor mos moy mrb mrc mrd mre mrm mro mrr mrs mry msb msc msd mse msm mso msr mss msy my- myb myc myd mye mym myo myr mys ob- obb obc obd obe obm obo obr obs oby oc- ocb occ ocd ocm oco ocr ocs odb odc odd ode odm odo odr ods oeb oec oed oee oem oeo oer oes oey om- omb omc omd ome omm omo omr oms omy oo- oob ooc ood oom ooo oor oos or- orb orc ord ore orm oro orr ors ory os- osb osc osd ose osm oso osr oss oyd oye oyo oys rbb rbc rbd rbe rbm rbo rbr rbs rcb rcc rcd rce rcm rco rcr rcs rdb rdc rdd rde rdm rdo rdr rds rdy re- reb rec red ree rem reo rer res rey rmb rmc rmd rme rmm rmo rmr rms rob roc rod roe rom roo ror ros roy rrb rrc rrd rrm rrr rrs rsb rsc rsd rse rsm rso rsr rss ry- ryc ryd rye rym ryo ryr rys ryy sbb sbc sbd sbe sbm sbo sbr sbs sby scb scc scd sce scm sco scr scs sdb sdc sdd sde sdm sdo sdr sds sdy se- seb sec sed see sem seo ser ses sey smb smc smd sme smm smo smr sms smy sob soc sod soe som soo sor sos soy sr- srb src srd sre srm sro srr srs sry ss- ssb ssc ssd sse ssm sso ssr sss sy- syb syc syd sye sym syr sys ybc ybe ybm ybr ybs yby ycc ycd yce yco ycs ycy yde ydo yds ydy yeb yec yed yee yem yeo yer yes yey ymc yme ymm ymo yms yob yoc yod yoe yom yoo yor yos yoy yrc yre yro yrs ysb ysc yse ysm yso ysr yss ysy yyb yyc yye yys yyy