bond[7], budo[7], bund[6], bunt[6],
bon[6], bot[6], tob[6], don[4], tod[4], not[4], ton[4], duo[4], out[4], dun[3], und[3], nut[3], tun[3],
ob[5], do[3], od[3], on[3], du[2], ud[2], nu[2], tu[2],
