frond[10], donor[6], nordo[6], rondo[6],
ford[9], fono[8], orfo[8], dorn[5], nord[5], rond[5], odro[5], ordo[5], noro[4],
fon[7], for[7], orf[7], dno[4], don[4], odo[4], odr[4], ord[4], rod[4], ono[3], nor[3], oro[3],
do[3], od[3], no[2], on[2], or[2], ro[2],
