off[10], uff[9], hof[8], huf[7], ufo[7], ruf[6], ohr[5], rho[5], roh[5], rod[4], duo[4], hur[4], ruh[4], uhr[4], dur[3],
ho[4], oh[4], do[3], od[3], hu[3], uh[3], du[2], ud[2], ur[2],
