-er -ey a-a a-b a-c a-t aaa aab aac aae aam aar aat aay ab- aba abb abc abe abm abr abt aby ac- aca acb acc ace acm acr act acy aea aeb aec aee aem aer aet aey ama amb amc ame amm amr amt amy ar- ara arb arc are arm arr art ary at- ata atb atc ate atm atr att ay- aya ayc aye ayr ayt baa bab bac bae bam bar bat bay bba bbb bbc bbe bbm bbr bbt bby bca bcb bcc bce bcm bcr bct bcy be- bea beb bec bee bem ber bet bey bma bmb bmc bme bmm bmr bmt bra brb bre brm brr brt bry bta btb btc bte btm btr btt bty by- bya byc bye bym byr byt c-- caa cab cac cae cam car cat cay cba cbb cbc cbe cbm cbr cbt cby cca ccb ccc cce ccm ccr cct ce- cea ceb cec cee cem cer cet cey cma cmb cmc cme cmm cmr cmt cmy cra crb crc cre crm crr crt cry cta ctb ctc cte ctm ctr ctt cty cya cyb cyc cye cym cyr cyt eaa eab eac eae eam ear eat eba ebb ebc ebe ebm ebr ebt eby ec- eca ecb ecc ece ecm ecr ect eea eeb eec eee eem eer eet eey em- ema emb emc eme emm emr emt era erb erc ere erm err ert ery eta etb etc ete etm etr ett ety eya eyc eye eym eyr eyt m-r maa mab mac mae mam mar mat may mba mbb mbc mbe mbm mbr mbt mc- mca mcb mcc mce mcm mcr mct mea meb mec mee mem mer met mey mma mmb mmc mme mmm mmr mmt mra mrb mrc mre mrm mrr mrt mry mta mtb mtc mte mtm mtr mtt my- mya myb myc mye mym myr myt ra- raa rab rac rae ram rar rat ray rba rbb rbc rbe rbm rbr rbt rca rcb rcc rce rcm rcr rct re- rea reb rec ree rem rer ret rey rma rmb rmc rme rmm rmr rmt rra rrb rrc rrm rrr rrt rta rtb rtc rte rtm rtr rtt rty ry- rya ryc rye rym ryr ryy taa tab tac tae tam tar tat tay tba tbb tbc tbe tbm tbr tbt tca tcb tcc tce tcm tcr tct te- tea teb tec tee tem ter tet tey tma tmb tmc tme tmm tmr tmt tmy tra trb trc tre trm trr trt try tta ttb ttc tte ttm ttr ttt tty tya tyc tye tym tyr tyt yaa yab yac yae yam yar yat yay ybc ybe ybm ybr yby yca ycc yce ycy yea yeb yec yee yem yer yet yey yma ymc yme ymm ymt yra yrc yre yrt yta ytc yte ytm ytr ytt yyb yyc yye yyt yyy