-er -ey bbb bbc bbe bbm bbn bbo bbr bbt bby bcb bcc bce bcm bcn bco bcr bct bcy be- beb bec bee bem ben beo ber bet bey bmb bmc bme bmm bmn bmo bmr bmt bnb bnc bne bnn bno bnr bnt bob boc boe bom bon boo bor bot boy brb bre brm brn bro brr brt bry btb btc bte btm btn bto btr btt bty by- byc bye bym byn byo byr byt c-- cbb cbc cbe cbm cbn cbo cbr cbt cby ccb ccc cce ccm ccn cco ccr cct ce- ceb cec cee cem cen ceo cer cet cey cmb cmc cme cmm cmn cmo cmr cmt cmy cn- cnb cnc cne cnm cnn cno cnr cnt cny co- cob coc coe com con coo cor cot coy crb crc cre crm crn cro crr crt cry ctb ctc cte ctm ctn cto ctr ctt cty cyb cyc cye cym cyn cyo cyr cyt ebb ebc ebe ebm ebn ebo ebr ebt eby ec- ecb ecc ece ecm ecn eco ecr ect eeb eec eee eem een eeo eer eet eey em- emb emc eme emm emn emo emr emt en- enb enc ene enm enn eno enr ent eny eo- eob eoc eoe eom eon eoo eor eot erb erc ere erm ern ero err ert ery etb etc ete etm etn eto etr ett ety eyc eye eym eyn eyo eyr eyt m-o m-r mbb mbc mbe mbm mbo mbr mbt mc- mcb mcc mce mcm mcn mco mcr mct meb mec mee mem men meo mer met mey mmb mmc mme mmm mmn mmo mmr mmt mnb mnc mne mnm mnn mno mnr mnt mob moc moe mom mon moo mor mot moy mrb mrc mre mrm mrn mro mrr mrt mry mtb mtc mte mtm mtn mto mtr mtt my- myb myc mye mym myn myo myr myt nbb nbc nbe nbm nbn nbo nbr nbt ncb ncc nce ncm ncn nco ncr nct ne- neb nec nee nem nen neo ner net ney nmb nmc nme nmm nmn nmo nmr nmt nnb nnc nne nnm nnn nno nnt no- nob noc noe nom non noo nor not noy nrb nrc nre nrm nrn nro nrr nrt nry ntb ntc nte ntm ntn nto ntr ntt nyc nye nym nyn nyo nyt nyy ob- obb obc obe obm obn obo obr obt oby oc- ocb occ ocm ocn oco ocr oct oeb oec oee oem oen oeo oer oet oey om- omb omc ome omm omn omo omr omt omy on- onb onc one onn ono onr ont ony oo- oob ooc oom oon ooo oor oot or- orb orc ore orm orn oro orr ort ory ot- otb otc ote otm otn oto otr ott oye oyo rbb rbc rbe rbm rbn rbo rbr rbt rcb rcc rce rcm rcn rco rcr rct re- reb rec ree rem ren reo rer ret rey rmb rmc rme rmm rmn rmo rmr rmt rnb rnc rnm rnn rno rnr rnt rny rob roc roe rom ron roo ror rot roy rrb rrc rrm rrn rrr rrt rtb rtc rte rtm rtn rto rtr rtt rty ry- ryc rye rym ryn ryo ryr ryy tbb tbc tbe tbm tbn tbo tbr tbt tcb tcc tce tcm tcn tco tcr tct te- teb tec tee tem ten teo ter tet tey tmb tmc tme tmm tmn tmo tmr tmt tmy tnb tnc tne tnm tnn tno tnr tnt to- tob toc toe tom ton too tor tot toy trb trc tre trm trn tro trr trt try ttb ttc tte ttm ttn tto ttr ttt tty tyc tye tym tyn tyo tyr tyt ybc ybe ybm ybr yby ycc yce yco ycy yeb yec yee yem yen yeo yer yet yey ymc yme ymm ymo ymt yne ynn yny yob yoc yoe yom yon yoo yor yot yoy yrc yre yrn yro yrt ytc yte ytm ytn yto ytr ytt yyb yyc yye yyt yyy