irch[7], sich[7], cist[6], wcir[5], sitw[5], wist[5],
chi[6], ich[6], hit[6], his[5], hiw[5], cis[4], sic[4], itr[4], tir[4], tri[4], sit[4], wic[4], sir[3], wir[3], siw[3], wis[3], wsi[3],
hi[4], ci[3], ts[3], si[2], iw[2],
