a-a a-b a-i aaa aab aai aam aar aas aay ab- aba abb abi abm abr abs aby ai- aia aib aii aim air ais aiy ama amb ami amm amr ams amy ar- ara arb ari arm arr ars ary as- asa asb asi asm asr ass asy ay- aya ayi ayr ays baa bab bai bam bar bas bay bba bbb bbi bbm bbr bbs bby bi- bia bib bii bim bir bis biy bma bmb bmi bmm bmr bms bra brb bri brm brr brs bry bsa bsb bsi bsm bsr bss bsy by- bya byi bym byr bys ia- iaa iab iai iam iar ias iba ibb ibi ibm ibr ibs iby iia iib iii iim iir iis im- ima imb imi imm ims imy ir- ira irb iri irm irr irs iry is- isa isb isi ism isr iss isy iya iym iyr iys iyy m-r maa mab mai mam mar mas may mba mbb mbi mbm mbr mbs mi- mia mib mii mim mir mis miy mma mmb mmi mmm mmr mms mra mrb mri mrm mrr mrs mry msa msb msi msm msr mss msy my- mya myb mym myr mys ra- raa rab rai ram rar ras ray rba rbb rbi rbm rbr rbs ria rib rii rim rir ris riy rma rmb rmi rmm rmr rms rra rrb rri rrm rrr rrs rsa rsb rsi rsm rsr rss ry- rya rym ryr rys ryy saa sab sai sam sar sas say sba sbb sbi sbm sbr sbs sby sia sib sii sim sir sis sma smb smi smm smr sms smy sr- sra srb sri srm srr srs sry ss- ssa ssb ssi ssm ssr sss sy- sya syb syi sym syr sys yaa yab yai yam yar yas yay ybi ybm ybr ybs yby yii yim yir yis yma ymi ymm yms yra yrs ysa ysb ysi ysm ysr yss ysy yyb yys yyy