webom[8],
boom[7], obom[7], webo[6], ewom[5], mewo[5], mowo[5],
bom[6], mob[6], web[5], omo[4], mew[4], ewo[3], owe[3], owo[3],
be[4], bo[4], em[3], me[3], om[3], eo[2], ew[2], we[2],
