c-- ccc cch cck ccs ccu ch- chc chh chk chs chu chy ckc ckh cks cky csc csh csk css csu csy cuc cuh cuk cus cuu cuy cyc cyk cys hcc hch hck hcs hcy hhc hhh hhk hhs hhu hhy hkh hkk hks hku hsc hsh hsk hss hsu hsy huc huh huk hus huu huy hy- hyc hyh hys hyy kcc kch kck kcs kcu khh khk khs khu kkc kkh kkk kks kku kky ksc ksh ksk kss ksu kuc kuh kuk kus kuu kuy kyc kys kyu scc sch sck scs scu sh- shc shh shk shs shu shy sk- skc skh skk sks sku sky ss- ssc ssh ssk sss ssu suc suh suk sus suu suy sy- syc syh syk sys syu ucc uch uck ucs ucu uhc uhh uhs uhu uhy ukc ukk uku usc ush usk uss usu uuc uus uuu uyc uys uyu ycc ych ycs ycu ycy yhc yhs yhu ykk ysc ysk yss ysu ysy yuh yuk yus yuu yuy yyc yys yyu yyy