irch[7], sich[7], brwi[6], wcir[5],
chi[6], ich[6], bis[5], his[5], hiw[5], cis[4], sic[4], wic[4], sir[3], wir[3], siw[3], wis[3], wsi[3],
bi[4], hi[4], ci[3], si[2], iw[2],
