roop roor roos ropo rops rorc rori roro rosc rosi roso rosp ross rpcs rpdp rpii rpls rpos rpps rrrr rrsp rscc rscs rsdd rsdl rsds rsid rsis rslc rslp rsos rspo rsps rssl s-ic s-ii s-os sccc sccl sccp sccs scdc scdp scds sci- scic scid scil scio scip scir scis scl- sclc scls scol scoo scop scor scpi scpl scpo scps scr- scrc scri scrs scsc scsd scsi scsl scso scsr sdcc sdco sddc sdds sdic sdio sdlc sdls sdpr sdps sdrc sdrs sdsc sdsl sdss sicc sici sico sicp sics sidd sidi sido sidr sids sil- silc sild sili sill silo sils siod siol siop sior sios sipc sipi sipo sipp sips sirc siri siro sirp sirr sirs sisc sisd sisi siss sl-i slcc slcd slds slic slid slip slir sllp sloc slod sloo slop slos slpi slpp slps slrc slrp slrs slsc soci socl soco socr socs sodd sodo sods soic soil soir sois sold soli soll solo solp solr sols sood sool soop soor soos sopd sopi sopo sopp sops sord sori soro sorr sors sosi soso soss spcc spco spcs spdc spdl spdp spdr spic spio spip spir spis splc splo splp splr spls spoc spod spoo spop spor spos sppd spps sprd spri spro sprs spsd spso spsp spss srcc sris sros srpc srps srsd srsp sscc ssci sscp sscs ssdc ssdd ssdp ssid ssis sslc sslp ssoc ssop sspc sspl sspo ssps ssrc ssri ssrl ssrs sssc sssi ssss