-ol iii iil iio iir iis il- ili ill ilo ilr ils io- ioi iol ioo ior ios ir- iri irl iro irr irs is- isi isl iso isr iss lii lil lio lir lis lli lll llo llr lls loi lol loo lor los lri lro lrr lrs lsi lsl lso lsr lss o-i oii oil oio oir ois oli oll olo ols oo- ooi ool ooo oor oos or- ori orl oro orr ors os- osi osl oso osr oss rii ril rio rir ris rli rll rlo rlr rls roi rol roo ror ros rri rrl rrr rrs rsi rsl rso rsr rss sii sil sio sir sis sli sll slo slr sls soi sol soo sor sos sr- sri srl sro srr srs ss- ssi ssl sso ssr sss