i-v iii iir iis iiu iki ikk ikr iks iku ikv ir- iri irk irr irs iru irv iry is- isi isk isr iss isu isv isy iu- iui iur ius ivi ivr ivs ivu ivv ivy iyr iys iyy kii kik kir kis kiu kiv kki kkk kkr kks kku kkv kky kri krk krr krs kru krv kry ksi ksk ksr kss ksu ksv kui kuk kur kus kuu kuy kvi kvk kvr kvs kvv kyr kys kyu rii rik rir ris riv riy rkk rks rku rkv rky rri rrk rrr rrs rru rsi rsk rsr rss rsu rsv rui ruk rur rus ruu ruv ruy rvi rvr rvs rvu rvv rvy ry- ryk ryr rys ryu ryy sii sik sir sis siu siv sk- ski skk skr sks sku sky sr- sri srk srr srs srv sry ss- ssi ssk ssr sss ssu ssv sui suk sur sus suu suv suy svi svk svr svs svu svv svy sy- syi syk syr sys syu uii uir uis uiu uki ukk ukr uku ur- uri urk urr urs uru ury usi usk usr uss usu usv uur uus uuu uvs uvu uvv uyi uys uyu vi- vii vik vir vis viu viv viy vri vrk vrr vrs vru vry vsi vsk vsr vss vsu vsv vuk vur vus vuv vvi vvr vvs vvv yii yir yis yki ykk yrs yru ysi ysk ysr yss ysu ysy yui yuk yur yus yuu yuv yuy yvi yvr yvy yys yyu yyy