a-a a-c a-z aaa aac aak aam aas aay aaz ac- aca acc ack acm acs acy acz aka akc akk akm aks ama amc amk amm ams amy amz as- asa asc ask asm ass asy asz ay- aya ayc ayk ays ayz az- aza azm azs azy azz c-- caa cac cak cam cas cay caz cca ccc cck ccm ccs ccz cka ckc ckm cks cky cma cmc cmk cmm cms cmy csa csc csk csm css csy csz cya cyc cyk cym cys cz- czc czk czm k-z ka- kaa kac kak kam kas kay kaz kca kcc kck kcm kcs kkc kkk kkm kks kky kma kmc kmk kmm kms kmz ksa ksc ksk ksm kss kya kyc kym kys kyz kzy maa mac mak mam mas may maz mc- mca mcc mck mcm mcs mcz mka mkc mkk mkm mks mky mkz mma mmc mmk mmm mms mmz msa msc msk msm mss msy my- mya myc myk mym mys mza mzm saa sac sak sam sas say saz sca scc sck scm scs sk- ska skc skk skm sks sky sma smc smk smm sms smy smz ss- ssa ssc ssk ssm sss ssz sy- sya syc syk sym sys sza yaa yac yak yam yas yay yaz yca ycc ycs ycy yka ykk ykm yma ymc ymm yms ysa ysc ysk ysm yss ysy ysz yyc yys yyy yyz yzy zaa zac zak zam zas zay zaz zcs zka zks zma zmc zmk zmm zms zsa zsm zsz zym zzs zzy zzz