dope[8], pond[8], penn[7], zone[7], oden[5], neon[5], none[5], denn[4],
dop[7], epo[7], dez[5], zen[5], deo[4], ode[4], don[4], non[4], den[3], end[3],
po[6], do[3], od[3], on[3], ne[2],
