hebd[9], dech[8], obce[7], echo[7], heco[7],
bob[7], che[6], ech[6], hec[6], cob[6], bod[6], hoc[6], och[6], cod[5], doc[5], deo[4], ode[4],
be[4], eh[4], he[4], bo[4], ho[4], oh[4], ce[3], de[3], co[3], do[3], od[3], eo[2],
