iota[5], rota[5], taro[5], roit[5], tiro[5], trio[5], rott[5], tort[5], trat[4], ritt[4],
roi[4], tao[4], ort[4], rot[4], tor[4], tot[4], air[3], rai[3], tai[3], art[3], rat[3], tat[3],
ai[2], ar[2], ti[2],
