bond[7], dobo[7], bono[6], obon[6], node[5], donn[5], neon[4], nono[4],
bod[6], ben[5], bon[5], den[4], end[4], deo[4], ode[4], dno[4], don[4], odo[4], eon[3], one[3], non[3], ono[3],
be[4], bo[4], de[3], do[3], od[3], en[2], eo[2], no[2], on[2],
