chory[9], chyro[9], ochry[9],
ochy[8], chyr[8], chor[7], ochr[7], hory[7],
hyc[7], hoc[6], och[6], cyc[6], hoy[6], hyr[6], hor[5], rho[5],
ho[4], oh[4], co[3], or[2], ro[2],
