bob[7], cob[6], bon[5], gon[5], bor[5], rob[5], gro[5], ogr[5], noc[4], por[4], pro[4], rop[4], non[3], nor[3],
bo[4], go[4], co[3], op[3], po[3], no[2], on[2], or[2], ro[2],