a-a a-b aaa aab aam aan aas aay ab- aba abb abm abn abs aby ama amb amm amn ams amy an- ana anb anm ann ans any as- asa asb asm asn ass asy ay- aya ayn ays baa bab bam ban bas bay bba bbb bbm bbn bbs bby bma bmb bmm bmn bms bna bnb bnn bns bsa bsb bsm bsn bss bsy by- bya bym byn bys maa mab mam man mas may mba mbb mbm mbs mma mmb mmm mmn mms mna mnb mnm mnn mns msa msb msm msn mss msy my- mya myb mym myn mys naa nab nam nan nas nay nba nbb nbm nbn nbs nma nmb nmm nmn nms nna nnb nnm nnn nns nsa nsb nsm nsn nss nsy nya nym nyn nys nyy saa sab sam san sas say sba sbb sbm sbn sbs sby sma smb smm smn sms smy sna snb snm snn sns sny ss- ssa ssb ssm ssn sss sy- sya syb sym syn sys yaa yab yam yan yas yay ybm ybs yby yma ymm yms yna ynn yns yny ysa ysb ysm yss ysy yyb yys yyy