feit[7], tief[7], bote[7], tobe[7], biet[6], ebit[6],
oft[7], fei[6], beo[6], bio[6], obi[6], tic[6], fit[6], bot[6], tob[6], bei[5], bet[5], bit[5], oie[4],
ob[5], bi[4], ei[2], et[2], ti[2],
