kkk kkm kkr kks kku kmk kmm kms kmu krk krr krs kru ksk ksm ksr kss ksu kuk kum kur kus kuu m-r mkk mkm mkr mks mku mmk mmm mmr mms mmu mrk mrm mrr mrs mru msk msm msr mss msu muk mum mur mus muu rkk rkm rks rku rmm rmr rms rrk rrm rrr rrs rru rsk rsm rsr rss rsu ruk rum rur rus ruu sk- skk skm skr sks sku smk smm smr sms smu sr- srk srm srr srs ss- ssk ssm ssr sss ssu suk sum sur sus suu ukk ukr uku um- umm umr ums umu ur- urk urm urr urs uru usk usm usr uss usu uum uur uus uuu