a-a a-c aaa aac aak aam aas aay ac- aca acc ack acm acs acy aka akc akk akm aks ama amc amk amm ams amy as- asa asc ask asm ass asy ay- aya ayc ayk ays c-- caa cac cak cam cas cay cca ccc cck ccm ccs cka ckc ckm cks cky cma cmc cmk cmm cms cmy csa csc csk csm css csy cya cyc cyk cym cys ka- kaa kac kak kam kas kay kca kcc kck kcm kcs kkc kkk kkm kks kky kma kmc kmk kmm kms ksa ksc ksk ksm kss kya kyc kym kys maa mac mak mam mas may mc- mca mcc mck mcm mcs mka mkc mkk mkm mks mky mma mmc mmk mmm mms msa msc msk msm mss msy my- mya myc myk mym mys saa sac sak sam sas say sca scc sck scm scs sk- ska skc skk skm sks sky sma smc smk smm sms smy ss- ssa ssc ssk ssm sss sy- sya syc syk sym sys yaa yac yak yam yas yay yca ycc ycs ycy yka ykk ykm yma ymc ymm yms ysa ysc ysk ysm yss ysy yyc yys yyy