-er -ey a-a a-b a-t aaa aab aae aam aao aar aat aay ab- aba abb abe abm abo abr abt aby aea aeb aee aem aeo aer aet aey ama amb ame amm amo amr amt amy aoa aob aoe aom aoo aor aot ar- ara arb are arm aro arr art ary at- ata atb ate atm ato atr att ay- aya aye ayo ayr ayt baa bab bae bam bao bar bat bay bba bbb bbe bbm bbo bbr bbt bby be- bea beb bee bem beo ber bet bey bma bmb bme bmm bmo bmr bmt boa bob boe bom boo bor bot boy bra brb bre brm bro brr brt bry bta btb bte btm bto btr btt bty by- bya bye bym byo byr byt eaa eab eae eam eao ear eat eba ebb ebe ebm ebo ebr ebt eby eea eeb eee eem eeo eer eet eey em- ema emb eme emm emo emr emt eo- eoa eob eoe eom eoo eor eot era erb ere erm ero err ert ery eta etb ete etm eto etr ett ety eya eye eym eyo eyr eyt m-o m-r maa mab mae mam mao mar mat may mba mbb mbe mbm mbo mbr mbt mea meb mee mem meo mer met mey mma mmb mme mmm mmo mmr mmt moa mob moe mom moo mor mot moy mra mrb mre mrm mro mrr mrt mry mta mtb mte mtm mto mtr mtt my- mya myb mye mym myo myr myt oaa oab oae oam oao oar oat ob- oba obb obe obm obo obr obt oby oea oeb oee oem oeo oer oet oey om- oma omb ome omm omo omr omt omy oo- ooa oob oom ooo oor oot or- ora orb ore orm oro orr ort ory ot- ota otb ote otm oto otr ott oya oye oyo ra- raa rab rae ram rao rar rat ray rba rbb rbe rbm rbo rbr rbt re- rea reb ree rem reo rer ret rey rma rmb rme rmm rmo rmr rmt roa rob roe rom roo ror rot roy rra rrb rrm rrr rrt rta rtb rte rtm rto rtr rtt rty ry- rya rye rym ryo ryr ryy taa tab tae tam tao tar tat tay tba tbb tbe tbm tbo tbr tbt te- tea teb tee tem teo ter tet tey tma tmb tme tmm tmo tmr tmt tmy to- toa tob toe tom too tor tot toy tra trb tre trm tro trr trt try tta ttb tte ttm tto ttr ttt tty tya tye tym tyo tyr tyt yaa yab yae yam yao yar yat yay ybe ybm ybr yby yea yeb yee yem yeo yer yet yey yma yme ymm ymo ymt yob yoe yom yoo yor yot yoy yra yre yro yrt yta yte ytm yto ytr ytt yyb yye yyt yyy