rnod rocc roco rocs rodd rodi rodo rods roid roin roio roir rois romd romi romm romo roms ronc rond roni rono rons rood rooi room roon roor roos rorc rori roro rosc rosi roso ross rrmc rrrr rscc rscn rscs rsdd rsds rsid rsis rsnn rsno rsnr rsos s-ic s-ii s-os sccc sccm sccs scdc scds sci- scic scid scim scin scio scir scis scmc scmm scmo scms scnd scnr scom scon scoo scor scr- scrc scri scrn scrs scsc scsd scsi scsn scso scsr sdcc sdco sddc sdds sdic sdio sdmo sdms sdrc sdrs sdsc sdsm sdss sicc sici sicm sico sics sidd sidi sido sidr sids siim simd simi simm simo sims sind sini sinn sino sins siod sion sior sios sirc siri siro sirr sirs sisc sisd sisi siss smcc smdc smdr smic smid smin smis smnc smoc smod smon smos smsc smsd smsn smss sncc snco snid snir snns snoc snod snom snoo snor snos snrs snsd soci socm soco socr socs sodd sodo sods soic soim soin soir sois somi somm somn somo son- sond soni sono sons sood soom soon soor soos sord sori sorm sorn soro sorr sors sosi soso soss srcc srim sris srmc srni srnn srno sros srsd sscc ssci sscs ssdc ssdd ssdm ssid ssin ssis ssmc ssns ssoc ssrc ssri ssrm ssrs sssc sssi sssm ssss