fob[9], fol[8], for[7], orf[7], bol[6], lob[6], bor[5], rob[5], lor[4], rol[4], por[4], pro[4], rop[4], zol[4], rwo[3], orz[3],
bo[4], op[3], po[3], or[2], ro[2], oz[2],