iii iim iis iki ikk iks im- imi imm ims imy is- isi isk ism iss isy iym iys iyy kii kik kim kis kki kkk kkm kks kky kmi kmk kmm kms ksi ksk ksm kss kym kys mi- mii mik mim mis miy mkk mkm mks mky mmi mmk mmm mms msi msk msm mss msy my- myk mym mys sii sik sim sis sk- ski skk skm sks sky smi smk smm sms smy ss- ssi ssk ssm sss sy- syi syk sym sys yii yim yis yki ykk ykm ymi ymm yms ysi ysk ysm yss ysy yys yyy