c-- ccc cco ccr ccs cct ccu co- coc coo cor cos cot cou crc cro crr crs crt cru csc cso csr css cst csu ctc cto ctr cts ctt ctu cuc cuo cur cus cut cuu oc- occ oco ocr ocs oct ocu oo- ooc ooo oor oos oot or- orc oro orr ors ort oru os- osc oso osr oss ost osu ot- otc oto otr ots ott otu ou- ouc ouo our ous out rcc rco rcr rcs rct rcu roc roo ror ros rot rou rrc rrr rrs rrt rru rsc rso rsr rss rst rsu rtc rto rtr rts rtt rtu ruc ruo rur rus rut ruu scc sco scr scs sct scu soc soo sor sos sot sou sr- src sro srr srs srt ss- ssc sso ssr sss sst ssu stc sto str sts stt stu suc suo sur sus sut suu tcc tco tcr tcs tct tcu to- toc too tor tos tot tou trc tro trr trs trt tru tsc tso tsr tss tst tsu ttc tto ttr tts ttt ttu tuc tuo tur tus tut tuu ucc uco ucr ucs uct ucu uoc uoo uor uos uot ur- urc uro urr urs urt uru usc uso usr uss ust usu utc uto utr uts utt utu uuc uur uus uut uuu

-ous cccc cccs cccu ccoc ccrc ccrs ccrt ccss ccst cctc cctt ccuc ccus ccut coco coct cocu coos coot cor- corc coro corr cors cort cosc coso coss cost cotc coto cots cott cotu cour cous cout crcc crcr croc croo cror crot crrt crss crst crtc crts crus crut cscc csco cscr cscs csor csos csot csrc csrs cssr cstc csto cstr csts csur csus ctor ctos ctot ctrc ctrs ctsc ctss ctsu ctts cucc curo curr curs curt cuso cuss cust cusu cut- cutc cuto cuts cutt occc occt ocos ocro ocrr ocrs oct- octo octs ocur oocr oooo ooos oort oost oots oous orco orcs oro- oror oros orot orro orrs orso orsu ortc orto orts orus oscc osco osoo osor osos osro osso ossu ostc ostr osts oto- otoo otor otos otro otrs otso otsu otto otts ottu otur otus oucc our- ouro ours ourt oust out- outo outs ouu- rccc rccs rcos rcsc rcss rctc rcts rocc roco rocs roor roos root rorc roro rort roru rosc roso ross rost rotc roto rotr rots rott rous rout rrrr rscc rscs rsos rsts rstu rtcc rtss rtts ruct rurc ruro rurs ruru ruso russ rust rusu ruto ruts rutt rutu s-os sccc sccs scct scoo scor scot scr- scrc scrs scsc scso scsr scst scsu sctc scto sctr scts scur scut soco socr socs soor soos soot soro sorr sors sort soru soso soss sost sotc soto sots sotu sour sous sout srcc srct sros srtr sscc sscs ssoc ssot ssrc ssrs sssc ssss sstc ssts stcc stcs stcu stoo stor stos stot stou strc stro strs stru stss sttc sttr stuc stur stus stut suc- succ sucr sucs suor suos sur- surc suro surr surs surt suru sus- suso suss sust susu suto sutu suus tccc tccu tcos tctc tcts toco toor toos toot torc toro torr tors tort toru tosc toso toss tost tosu totc toto totr tots tott tour tous tout trcc troc troo tros trot trou trst trtc trtr truc trus trut truu tscc tsos tsou tssr tsst tstc tsts ttss tttt tucc tuco tuor tuos turc turo turr turs turt turu tusc tuss tust tuto tuts tutt tutu tuuo ucos ucrc ucsc ucst ucsu ucut uocc uor- uro- uroo urso urss ursu urts urur urus urut uscc usco uscs usoc usos ussc ussr usss usst ussu ustc usto usts usus utor utsc utto uttu uuoc uuuu

c-cor ccccc co-co cocc- cocco cocos cocto cocur cocus coors coost coots coro- corot corrs corso corss corsu corto corts corus cosco cost- costo costs cotos cotso cott- cotto cotts cottu couco cours court couru coust couto couts coutu croco crocs croos croot cross crost crots crott crous crout cruor crust cruts cstcc cuoco curro currs curst curto curts cusco cusso cutco cutcu cutro cutto cutts occur ocros octo- octor octos oocss ooooo ootus orcos orcus oroco oroso orost orosu orout ortoo oruro orust orutu ososo ossos ossur ostrc ostro osusu otoso ototo otour otros ottos ottur ouoro ousts outro outto outts r-co- ro-ro rocco rocor rocou roost roots rorts rosso rosss rosto rosts rosu rotcs roto- rotor rotos rotot rotto roust routs routt rsust ruocs rusor rusot russo rusts rustu ruutu s-o-r scoor scoot scors scort scoto scots scott scour scout scroo scrot scrus sctrs scurr scurt scut- scuts scutt so-so socus soort sooru soots soror soros sorso sorsu sorts sortu sorus soss- sosto sosus sotoo sotos sotsu sotto sotts sours sous- souto sroot sssss stoor stoos stoot storo storr stors stort stoss stots stott stour stout stroc stros strot strrs struc strut sturt stuss sucr- sucst surot surtr surur surus susso susto susus sutor sutot sutro sutto suttu tocco toco- tocos tocut toost toots torcs toros torro torrs torso torst torto torts tortu torus tosco tosos toss- tosto toto- totoo totos totus touro tours toust touts troco tross trost trots trott trous trout truco truro truso truss trust truus tsoro tsort tsrcs tsuro tsuru tsuur ttttt tuctu tuotu turco turoc turot turro turss turst tursu turtu turut tusor tutor tutto tutus tuuru urcos uros urost urour urous ursus urucu urutu us-sc uscoc usour ustoo ustou ustur usutu utro- utror uttur uturu ututo uuuuu

c-ross cocco- coccus cococo cocous cocto- coocoo corcos coroso corots corour corros cortot coruco coruro cosrou cossus costco costo- costto costur costus cotrus cottus couous courr- courts cousso coutts crocco crocus cross- crosst crotus cruro- crusts curour curror cursor cursus curtus cururo cuscus custos cutcut cutout cuttoo occour occurs ocourt octuor oooooo orcost orcutt orosco orrour oscott ossott ossous ostour ottoor ououso ousrou outcut outour outros outtro roccus rococo rocoto roosts rostr- rotors rotour rotout rotrou roucou