ricks[11], kriss[8], irbis[7],
rick[10], sick[10], kirs[7], kris[7], skis[7], ibis[6], bris[6], biss[6], iris[4], riss[4], sirs[4],
kir[6], cis[6], sic[6], ski[6], bis[5], sir[3], iss[3],
bi[4], si[2],
