iiii iiis iisi iisu inis inni inns innu inss insu inui inun inus invs isin isis issi isss issu isus iuiu iuss ivin n-ii niiu nini nins nisi niss nisu nnnn nnss nsin nsis nsss nuin nunn nuns nusi nuss nusu nvis nvss s-ii s-iv sini sinn sins sinu sisi siss sisu siui sius sivi snns snus snvi ssin ssis ssns sssi ssss suin suis sun- suni sunn suns sunu sus- susi suss susu suus suvi suvs svns uni- unii unin unis univ unni unns uns- unus usin usis usnu usss ussu usui usun usus uuni uusi uuuu uvis uvvu viii vini vins vinu visi visn viss visu vivi vsun vvvv