-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 ciko cikr cior cios circ ciri cirk ciro cirr cirs cis- cisc cisk cisr ciss ciuc cius ckck ckco ckcs ckoc ckoi ckoo ckor ckos ckrc ckso cock coco cocu coir cois cok- coko cook coos cor- corc cori cork coro corr cors cosc cosi coso coss couk cour cous crcc crcr cric crik cris criu crkc croc crok croo cror crss cruk crus cscc csci csco cscr cscs csik csio csir csis csks csor csos csrc csrs cssr csur csus cucc cuci cuck cui- cuir cuis cuk- curi curo curr curs cusk cuso cuss cusu iccc icci icco iccr iccs iccu icis icks 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 ikki ikko ikoo ikri iksu ikuo ioci ioii ioio ioko iooi iooo ioos iori iors ioso iosu ious ircc ircs ircu iri- iric irio iris irki irks iroc irrc irri irrs irus iscc isci isco iscr iscs iscu isic isis isko isku iso- isoc isok isor isos isri issc issi isso issr isss issu isus iucc iuiu iuss k-ci k-os kccc kcci kcck kccr kccu kcic kcii kcir kcis kciu kckc kckk kcko kckr kcor kcos kcou kcrc kcri kcro kcrr kcrs kcru kcsc kcsi kcsr kcss kcsu kcui kcuk kicc kick kicr kics kiic kiii kiik kiis kiiu kikc kiki kikk kiko kikr kiku kioc kioi kiok kioo kiou kirc kiri kirk kiro kirr kirs kiru kisc kisi kisk kiso kisr kiss kisu kiur kiuu kkci kkck kkco kkcr kkcs kkic kkik kkkk kkoo kkor kkrc kkrk kkro kkrr kkrs kksi kksr kkss kksu kkus kkuu koci kock kocs koii koir kokc koki kokk koko kokr koks koku kooc kooi kook kooo koor koos koou korc kori kork koro korr kors koru kos- kosc kosi koso kosr koss kosu koui kour kous kouu krcc krci krco krcs krcu krik krio kris krkc krki krkk krko krkr krks krku kroc kroi krok kroo kror kros krrc krri krrk krro krrr krrs krsc krsk krsr krss krsu kruc krui kruk krur ksci ksck ksco kscr kscs kscu ksii ksik ksir ksis kskk ksko kskr ksks ksku ksoc ksoi ksok ksoo ksor ksos ksou ksro ksrr ksrs kssi ksso kssr ksss kssu ksui ksuu kucc kuci kuco kucr kuic kuik kuki kukk kuks kuku kuok kuoo kuos kuri kurk kuro kurr kurs kuru kusc kuso kusu kuuk kuur kuuu occc occi ocis ocks ocos ocro ocrr ocrs ocur oici oick oiii oiko oiks oios oisc oisu okcu okic okir okko okok okor okro oksi okso okur okus oocr ooku oooo ooos oosi oous orci orco orcs ori- oric orio oris orko oro- orok oror oros orri orro orrs orsi orsk orso orsu orus oscc osci osco osii osik osis oski osku 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 rick rico rics riis riki rikk riku rios riou riri rirs risc risi risk riso riss risu rius rkos rkss rocc rock roco rocs roik roio roir rois roiu roki rokk roko rokr roks roku rooi rook roor roos rorc rori rork roro roru rosc rosi roso ross rouk rous rrrr rscc rscs rsis rsos ruci ruck ruis ruki rukk ruku ruok rurc ruri ruro rurs ruru rusi rusk ruso russ rusu s-ic s-ii s-os sccc sccs sci- scic scio scir scis sck- scok scoo scor scr- scrc scri scrs scsc scsi scso scsr scsu scur sicc sici sick sico sics sicu siik siki siko sikr siks siku sior sios siou sirc siri sirk siro sirr sirs siru sisc sisi sisk siss sisu siui sius skic skik skio skir skis skiu skor skss skui skur soci sock soco socr socs soic soik soir sois soki sokk soko soku sook soor soos sori soro sorr sors soru sosi soso soss souk sour sous srcc sris sros sscc ssci sscs ssis ssoc ssrc ssri ssrs sssc sssi ssss suc- succ suci suck sucr sucs suio suir suis suki suks suku suor suos sur- surc suri suro surr surs suru sus- susi susk suso suss susu suus ucci ucio ucos ucrc ucsc ucsu uirr ukcc ukko ukok ukrc uksc ukur uocc uor- urci uric urik uris uriu uro- urok uroo urri ursi urso urss ursu uruk urur urus us-k uscc usco uscs usis usoc usoi usos ussc ussr usss ussu usui usus uuoc uuri uusi uuuu