trip[7], purr[7], tupi[7], birr[6], brut[6], trub[6], irrt[4],
cup[9], pub[8], tic[6], tip[6], pur[6], cut[6], brr[5], bit[5], irr[3],
pi[5], bi[4], ti[2], ui[2], ur[2], tu[2],
