a-a a-b aaa aab aak aam aar aas aay ab- aba abb abk abm abr abs aby aka akb akk akm akr aks ama amb amk amm amr ams amy ar- ara arb ark arm arr ars ary as- asa asb ask asm asr ass asy ay- aya ayk ayr ays baa bab bak bam bar bas bay bba bbb bbk bbm bbr bbs bby bka bkb bkk bkm bkr bks bma bmb bmk bmm bmr bms bra brb brk brm brr brs bry bsa bsb bsk bsm bsr bss bsy by- bya byk bym byr bys ka- kaa kab kak kam kar kas kay kba kbb kbk kbm kbr kbs kkb kkk kkm kkr kks kky kma kmb kmk kmm kms kra krk krr krs kry ksa ksb ksk ksm ksr kss kya kym kyr kys m-r maa mab mak mam mar mas may mba mbb mbk mbm mbr mbs mka mkb mkk mkm mkr mks mky mma mmb mmk mmm mmr mms mra mrb mrk mrm mrr mrs mry msa msb msk msm msr mss msy my- mya myb myk mym myr mys ra- raa rab rak ram rar ras ray rba rbb rbk rbm rbr rbs rkb rkk rkm rks rky rma rmb rmm rmr rms rra rrb rrk rrm rrr rrs rsa rsb rsk rsm rsr rss ry- rya ryk rym ryr rys ryy saa sab sak sam sar sas say sba sbb sbk sbm sbr sbs sby sk- ska skb skk skm skr sks sky sma smb smk smm smr sms smy sr- sra srb srk srm srr srs sry ss- ssa ssb ssk ssm ssr sss sy- sya syb syk sym syr sys yaa yab yak yam yar yas yay ybm ybr ybs yby yka ykk ykm yma ymm yms yra yrs ysa ysb ysk ysm ysr yss ysy yyb yys yyy