-ey a-a a-b a-z aaa aab aae aam aas aay aaz ab- aba abb abe abm abs aby abz aea aeb aee aem aes aey aez ama amb ame amm ams amy amz as- asa asb ase asm ass asy asz ay- aya aye ays ayz az- aza azb aze azm azs azy azz baa bab bae bam bas bay baz bba bbb bbe bbm bbs bby be- bea beb bee bem bes bey bez bma bmb bme bmm bms bmz bsa bsb bse bsm bss bsy by- bya bye bym bys byz bza bze bzs bzz eaa eab eae eam eas eaz eba ebb ebe ebm ebs eby eea eeb eee eem ees eey em- ema emb eme emm ems es- esa esb ese esm ess esy eya eye eym eys eze ezs ezz maa mab mae mam mas may maz mba mbb mbe mbm mbs mea meb mee mem mes mey mez mma mmb mme mmm mms mmz msa msb mse msm mss msy my- mya myb mye mym mys mza mzb mzm saa sab sae sam sas say saz sba sbb sbe sbm sbs sby se- sea seb see sem ses sey sez sma smb sme smm sms smy smz ss- ssa ssb sse ssm sss ssz sy- sya syb sye sym sys sza sze yaa yab yae yam yas yay yaz ybe ybm ybs yby ybz yea yeb yee yem yes yey yez yma yme ymm yms ysa ysb yse ysm yss ysy ysz yyb yye yys yyy yyz yzb yzy zaa zab zam zas zay zaz zbb zbm zbs zby zea zeb zee zem zes zez zma zmb zmm zms zsa zse zsm zsz zym zzs zzy zzz