chyb[10], bici[7], sich[7], bisy[7], ibis[6], cisy[6], syci[6], cisi[5],
hyc[7], chi[6], ich[6], bis[5], his[5], cyi[5], cis[4], sic[4],
by[5], bi[4], hi[4], ci[3], ii[2], si[2],