rids ried rier ries rige rigg rigi rigo rigs riis rios rire riri rirs risc risd rise risi riso riss rocc roce roco rocs rodd rode rodi rodo rods roed roeg roer roes roge rogg rogi rogo roid roig roio roir rois rood roog rooi roor roos rorc rore rori roro rosc rose rosi roso ross rred rrrr rscc rscs rsdd rsdg rsds rsee rsgc rsid rsis rsos rsre s-ic s-ii s-os sccc scce sccs scdc scdg scds scec scee sceg scer scgs sci- scic scid scie scio scir scis scog scoo scor scr- scrc scre scri scrs scsc scsd scsi scso scsr sdcc sdco sddc sdds sder sdes sdge sdgs sdic sdio sdog sdrc sdrs sdsc sdss se-c se-d se-e se-g se-i se-o se-s sec- secc secd sece secg seco secr secs sede sedo seds seec seed seeg seer sees sege segg segi sego segs seid seie seii seir seis seoc seod seoi serc serd sere serg seri sero serr sers sesc sese sesi seso sess sgcd sgce sgcg sger sges sggg sggs sgic sgio sgro sgsd sgss sicc sice sici sico sics sidd side sidi sido sidr sids siec sied sieg sier sies sigd sige sigg sigi sigo sigs siod sioe sior sios sirc sire siri siro sirr sirs sisc sisd sise sisi siss soce soci soco socr socs sodd sode sodo sods soec soeo soes sogi sogo sogs soic soie soir sois sood soog soor soos sord sore sorg sori soro sorr sors sose sosi soso soss srcc srde srec sreo sres sris sros srsd sscc ssce ssci sscs ssdc ssdd ssec ssee sses ssgs ssid ssis ssoc ssrc ssrg ssri ssrs sssc sssi ssss