-ous cccc ccci cccs cccu ccic ccii ccir ccis ccoc ccrc ccri ccrs ccsi ccss ccuc ccus cicc cici cico cicr cics cicu ciii ciis cior cios circ ciri ciro cirr cirs cis- cisc cisr ciss ciuc cius coco cocu coir cois coos cor- corc cori coro corr cors cosc cosi coso coss cour cous crcc crcr cric cris criu croc croo cror crss crus cscc csci csco cscr cscs csio csir csis csor csos csrc csrs cssr csur csus cucc cuci cui- cuir cuis curi curo curr curs cuso cuss cusu iccc icci icco iccr iccs iccu icis icoc icor icos icrc icrr icrs icru icsc icsi icsr icss icus iiii iiio iiis iioi iioo iios iirc iirs iisc iisi iisr iisu iiuc ioci ioii ioio iooi iooo ioos iori iors ioso iosu ious ircc ircs ircu iri- iric irio iris iroc irrc irri irrs irus iscc isci isco iscr iscs iscu isic isis iso- isoc isor isos isri issc issi isso issr isss issu isus iucc iuiu iuss occc occi ocis ocos ocro ocrr ocrs ocur oici oiii oios oisc oisu oocr oooo ooos oosi oous orci orco orcs ori- oric orio oris oro- oror oros orri orro orrs orsi orso orsu orus oscc osci osco osii osis osoi osoo osor osos osro ossi osso ossu oucc ouii ouir ouis our- ouro ours ouu- rccc rccs rcic rcis rcos rcsc rcsi rcss ricc rico rics riis rios riou riri rirs risc risi riso riss risu rius rocc roco rocs roio roir rois roiu rooi roor roos rorc rori roro roru rosc rosi roso ross rous rrrr rscc rscs rsis rsos ruci ruis rurc ruri ruro rurs ruru rusi ruso russ rusu s-ic s-ii s-os sccc sccs sci- scic scio scir scis scoo scor scr- scrc scri scrs scsc scsi scso scsr scsu scur sicc sici sico sics sicu sior sios siou sirc siri siro sirr sirs siru sisc sisi siss sisu siui sius soci soco socr socs soic soir sois soor soos sori soro sorr sors soru sosi soso soss sour sous srcc sris sros sscc ssci sscs ssis ssoc ssrc ssri ssrs sssc sssi ssss suc- succ suci sucr sucs suio suir suis suor suos sur- surc suri suro surr surs suru sus- susi suso suss susu suus ucci ucio ucos ucrc ucsc ucsu uirr uocc uor- urci uric uris uriu uro- uroo urri ursi urso urss ursu urur urus uscc usco uscs usis usoc usoi usos ussc ussr usss ussu usui usus uuoc uuri uusi uuuu