-ous cccc cccf ccci cccs cccu cccv ccfc ccff ccfi ccic ccii ccir ccis cciv ccoc ccrc ccrf ccri ccrs ccsf ccsi ccss ccuc ccus ccvi ccvo ccvs cfcf cfco cfcs cffr cfor cfos cfsi cicc cici cico cicr cics cicu ciff cifs ciii ciis cior cios circ ciri ciro cirr cirs cis- cisc cisr ciss cisv ciuc cius civc civo coco cocu cofc coff cofi cofs coif coir cois coof coos cor- corc corf cori coro corr cors cosc cosi coso coss cour cous covo crcc crcr crfc crfs cric crif cris criu croc croo cror crss crus cscc cscf csci csco cscr cscs csfc csfr csio csir csis csor csos csrc csrs cssr csuf csur csus cucc cuci cufc cuff cufi cufo cui- cuif cuir cuis curf curi curo curr curs cuso cuss cusu cvcc cvfr cvii cvrr cvss fccf fcic fcii fcsc ffcc ffff ffii ffrr ffss ffvs ficc fico fics fifc fiff fifi fifo fiii fior fios firs fisc fisi fiss fisu foci foco focs fofo fois foof foos for- fori foro forr fors fosi foso foss four fous fr-v frcc frfc fric frio fris fros frou frsc frso fscc fsfi fsfo fssc fssf fuc- fuci fufc fuff fufu fuir fuor fur- furi furo furr furs fusc fusi fuso fuss fusu fvsu iccc iccf icci icco iccr iccs iccu icis icoc icor icos icrc icrf icrr icrs icru icsc icsi icsr icss icus ifco ific ifis ifor ifrf ifri ifsc ifso iiii iiio iiis iioi iioo iios iirc iirs iisc iisi iisr iisu iiuc ioci iofc ioii ioio ioof iooi iooo ioos iori iors ioso iosu ious ircc ircs ircu irfu iri- iric irio iris iroc irov irrc irri irrs irsf irus irvs iscc isci isco iscr iscs iscu isfc isic isis iso- isoc isof isor isos isri issc issf issi isso issr isss issu isus iucc iucv iuiu iuss ivcf ivic ivor ivrs occc occi ocis ocos ocro ocrr ocrs ocur ofcr off- offc offo offr offs offu ofor ofus oici oiii oios oisc oisu oocr ooff oofs oooo ooos oosi oous orci orco orcs orff orfi orfs orfu ori- oric orif orio oris oro- orof oror oros orri orro orrs orsi orso orsu orus orvr orvs oscc osci osco osii osis osoi osoo osor osos osov osro ossi osso ossu oucc oufc ouff ouii ouir ouis our- ouro ours ouu- ovcs ovi- ovis ovo- ovoo rccc rccs rcfc rcic rcis rcos rcsc rcsi rcss rcuv rcvr rcvs rffc rfic ricc rico rics riff rifs rifu riif riis rios riou riri rirs risc risi riso riss risu rius rivo rivs rocc roco rocs rofc roff rofo roif roio roir rois roiu roof rooi roor roos rorc rori roro roru rosc rosi roso ross rouf rous rovi rovo rovs rrfc rrif rrrr rscc rscs rsfc rsis rsos ruci rufc ruff rufo ruif ruis rurc ruri ruro rurs ruru rusi ruso russ rusu ruvi ruvu rv-c s-ic s-ii s-iv s-os sccc sccs scfc scfi sci- scic scif scio scir scis sciv scoo scor scr- scrc scri scrs scsc scsi scso scsr scsu scur sfcc sfco sfcs sffc sfio sfor sfos sfrc sfro sfss sfsu sicc sici sico sics sicu siff sifo sifr sifu sior sios siou sirc sirf siri siro sirr sirs siru sisc sisi siss sisu siui sius sivi soci soco socr socs sofi sofo soic soif soir sois soof soor soos sori soro sorr sors soru sosi soso soss sosv souf sour sous sovo sovs sovu srcc srfc srfi sris sros sscc ssci sscs ssfc ssis ssoc ssrc ssri ssrs sssc sssf sssi ssss suc- succ suci sucr sucs suf- sufc suff sufi sufr sufs sufu suio suir suis suor suos sur- surc surf suri suro surr surs suru surv sus- susi suso suss susu suus suvi suvs svcc svcs svfc svic svir svor svsc ucci ucfv ucio ucos ucrc ucsc ucsf ucsu ufcu ufos uirr uocc uofo uor- uovo urci urff urfi uric urif uris uriu uro- uroo urri ursi urso urss ursu urur urus uscc uscf usco uscs usfc usfi usfs usif usis usoc usoi usos usov ussc ussf ussr usss ussu usui usus uuoc uuri uusi uuuu uv-c uvic uvis uvri uvvu vcci vcrs vfcc vfor vic- vici vico vics viff viii vios virc viri viro virr viru visc visi viso viss visu vivi vivo voff vofr voic voio voir vois vooc voor vor- vori voro vors voru vosi voso voss vosu vour vous vrci vrio vris vroc vrsi vscf vsfs vsic vssc vuco vuir vvvv