-er -ey b-u bbb bbc bbe bbm bbr bbt bbu bby bcb bcc bce bcm bcr bct bcu bcy be- beb bec bee bem ber bet beu bey bmb bmc bme bmm bmr bmt bmu brb bre brm brr brt bru bry btb btc bte btm btr btt btu bty bub buc bue bum bur but buu buy by- byc bye bym byr byt byu c-- cbb cbc cbe cbm cbr cbt cbu cby ccb ccc cce ccm ccr cct ccu ce- ceb cec cee cem cer cet ceu cey cmb cmc cme cmm cmr cmt cmu cmy crb crc cre crm crr crt cru cry ctb ctc cte ctm ctr ctt ctu cty cub cuc cue cum cur cut cuu cuy cyb cyc cye cym cyr cyt ebb ebc ebe ebm ebr ebt ebu eby ec- ecb ecc ece ecm ecr ect ecu eeb eec eee eem eer eet eey em- emb emc eme emm emr emt emu erb erc ere erm err ert eru ery etb etc ete etm etr ett etu ety eu- eub euc eue eur eut eyc eye eym eyr eyt m-r mbb mbc mbe mbm mbr mbt mbu mc- mcb mcc mce mcm mcr mct mcu meb mec mee mem mer met meu mey mmb mmc mme mmm mmr mmt mmu mrb mrc mre mrm mrr mrt mru mry mtb mtc mte mtm mtr mtt mtu mub muc mue mum mur mut muu muy my- myb myc mye mym myr myt myu rbb rbc rbe rbm rbr rbt rbu rcb rcc rce rcm rcr rct rcu re- reb rec ree rem rer ret reu rey rmb rmc rme rmm rmr rmt rrb rrc rrm rrr rrt rru rtb rtc rte rtm rtr rtt rtu rty rub ruc rue rum rur rut ruu ruy ry- ryc rye rym ryr ryu ryy tbb tbc tbe tbm tbr tbt tbu tcb tcc tce tcm tcr tct tcu te- teb tec tee tem ter tet teu tey tmb tmc tme tmm tmr tmt tmu tmy trb trc tre trm trr trt tru try ttb ttc tte ttm ttr ttt ttu tty tub tuc tue tum tur tut tuu tuy tyc tye tym tyr tyt ubb ubc ube ubr ubt ubu uby ucb ucc uce ucm ucr uct ucu ueb uec uee uem uer uet uey um- umb umc ume umm umr umt umu ur- urb urc ure urm urr urt uru ury utb utc ute utm utr utt utu uty uuc uue uum uur uut uuu uyc uyu ybc ybe ybm ybr yby ycc yce ycu ycy yeb yec yee yem yer yet yey ymc yme ymm ymt yrc yre yrt yru ytc yte ytm ytr ytt ytu yue yum yur yut yuu yuy yyb yyc yye yyt yyu yyy