cob[6], bot[6], tog[6], bor[5], rob[5], gro[5], ogr[5], pot[5], top[5], por[4], pro[4], rop[4], ort[4], rot[4], tor[4],
bo[4], go[4], co[3], op[3], po[3], ot[3], to[3], or[2], ro[2],