iiii iiio iiis iioi iioo iios iirs iisi iisr ilio ilir ilis ill- illi illo ills iloo ilos ioii ioio iolo iooi iooo ioos iori iors ioso iri- iril irio iris irri irrs isil isis isls iso- isol isor isos isri issi isso issr isss liii liir liis lili lill lilo lils lio- lior lios liri lirl liro lirr lirs lisi liso liss llll lloo loir lois loli loll lolo lols lool loor loos lori loro lors losi loso loss lroi lrrr ls-r lsso lssr oiii oils oios olio olis olli ollo olor olos olsi oolo oooo ooos oosi ori- oril orio oris orlo oro- oror oros orri orro orrs orsi orso osii osis osli oslo osoi osoo osor osos osro ossi osso riis rill rilo riol rios riri rirs risi riso riss rlls roil roio roir rois roll rolo rooi rool roor roos rori roro rosi roso ross rrrr rsis rsos rssl s-ii s-os sil- sili sill silo sils siol sior sios siri siro sirr sirs sisi siss sl-i slir sloo slos slrs soil soir sois soli soll solo solr sols sool soor soos sori soro sorr sors sosi soso soss sris sros ssis ssri ssrl ssrs sssi ssss