a-a a-b a-i a-t aaa aab aai aam aar aas aat aay ab- aba abb abi abm abr abs abt aby ai- aia aib aii aim air ais ait aiy ama amb ami amm amr ams amt amy ar- ara arb ari arm arr ars art ary as- asa asb asi asm asr ass ast asy at- ata atb ati atm atr ats att ay- aya ayi ayr ays ayt baa bab bai bam bar bas bat bay bba bbb bbi bbm bbr bbs bbt bby bi- bia bib bii bim bir bis bit biy bma bmb bmi bmm bmr bms bmt bra brb bri brm brr brs brt bry bsa bsb bsi bsm bsr bss bst bsy bta btb bti btm btr bts btt bty by- bya byi bym byr bys byt ia- iaa iab iai iam iar ias iat iba ibb ibi ibm ibr ibs ibt iby iia iib iii iim iir iis iit im- ima imb imi imm ims imt imy ir- ira irb iri irm irr irs irt iry is- isa isb isi ism isr iss ist isy ita itb iti itm its itt ity iya iym iyr iys iyt iyy m-r maa mab mai mam mar mas mat may mba mbb mbi mbm mbr mbs mbt mi- mia mib mii mim mir mis mit miy mma mmb mmi mmm mmr mms mmt mra mrb mri mrm mrr mrs mrt mry msa msb msi msm msr mss mst msy mta mtb mti mtm mtr mts mtt my- mya myb mym myr mys myt ra- raa rab rai ram rar ras rat ray rba rbb rbi rbm rbr rbs rbt ria rib rii rim rir ris rit riy rma rmb rmi rmm rmr rms rmt rra rrb rri rrm rrr rrs rrt rsa rsb rsi rsm rsr rss rst rta rtb rti rtm rtr rts rtt rty ry- rya rym ryr rys ryy saa sab sai sam sar sas sat say sba sbb sbi sbm sbr sbs sbt sby sia sib sii sim sir sis sit sma smb smi smm smr sms smt smy sr- sra srb sri srm srr srs srt sry ss- ssa ssb ssi ssm ssr sss sst sta stb sti stm str sts stt sty sy- sya syb syi sym syr sys syt taa tab tai tam tar tas tat tay tba tbb tbi tbm tbr tbs tbt tia tib tii tim tir tis tit tiy tma tmb tmi tmm tmr tms tmt tmy tra trb tri trm trr trs trt try tsa tsb tsi tsm tsr tss tst tsy tta ttb tti ttm ttr tts ttt tty tya tym tyr tys tyt yaa yab yai yam yar yas yat yay ybi ybm ybr ybs yby yii yim yir yis yit yma ymi ymm yms ymt yra yrs yrt ysa ysb ysi ysm ysr yss yst ysy yta ytm ytr yts ytt yyb yys yyt yyy