fob[9], for[7], orf[7], frr[7], hop[6], bor[5], rob[5], hor[5], rho[5], brr[5], por[4], pro[4], rop[4], prr[4], rwo[3], wrr[3],
bo[4], ho[4], oh[4], op[3], po[3], or[2], ro[2],
