proof[10], forso[9], sforo[9], proso[6], sopor[6], sporo[6],
orfo[8], foso[8], sofo[8], fors[8], sfor[8], boro[6], robo[6], boso[6], poro[5], ropo[5], opos[5], ospo[5], pros[5], psor[5], spor[5], roso[4],
fob[9], for[7], orf[7], fos[7], sof[7], bor[5], rob[5], por[4], pro[4], rop[4], osp[4], oro[3], oso[3], ros[3],
bo[4], op[3], po[3], or[2], ro[2], os[2],
