-ous cccc ccci cccp cccs cccu ccic ccii ccip ccir ccis ccoc ccpp ccpr ccps ccrc ccri ccrp ccrs ccrt ccsi ccsp ccss ccst cctc cctt ccuc ccup ccus ccut cicc cici cico cicr cics cict cicu ciii ciis ciit cior cios cipo cipp cips circ ciri ciro cirr cirs cirt cis- cisc cisp cisr ciss cist cisy citi cito citp cits citt citu city ciuc ciup cius ciyu coco cocp coct cocu coip coir cois coit coop coos coot copi copo copp copr cops copt copy cor- corc cori coro corp corr cors cort cory cosc cosi coso cosp coss cost cosy cotc coti coto cots cott cotu coty coup cour cous cout couy coyo coyr coys coyt cpcs cpcu cpic cpio cpos cpps cpri cprs cprt cpsc cpso cpsr cpsu cptp cptr cpts cpus crcc crcr cric crip cris crit criu croc croo crop cror crot croy crpc crps crrt crsp crss crst crtc crtp crts crup crus crut cry- cryo crys cscc csci csco cscr cscs csio csir csis csit csor csos csot cspc cspi csps cspt csrc csrs cssr cstc csto cstr csts csup csur csus csys ctcp ctic ctor ctos ctot ctpo ctpp ctps ctrc ctrp ctrs ctsc ctss ctsu ctts cucc cuci cui- cuir cuis cuit cupo cupp cupr cups curi curo curr curs curt cury cuso cusp cuss cust cusu cusy cut- cutc cuto cuts cutt cuy- cuyo cuyp cuyr cyc- cycc cycs cypc cyps cyrs cyrt cyst cyt- cyto cyy- cyyc iccc icci icco iccp iccr iccs icct iccu icis icoc icor icos icpc icpo icps icrc icrr icrs icrt icru icry icsc icsi icsp icsr icss icst ictp icts icup icus iiii iiio iiis iiit iioi iioo iiop iios iirc iirs iisc iisi iisp iisr iist iisu iitr iitt iiuc ioci iocp ioii ioio ioit iooi iooo ioos iops iori iors ioso iosu ioto ious ipcc ipcs ipct ipop ipos ippc ippo ippr ippy ipri ipsc ipsi ipso ipsp ipss iptc ipto ipts ipur ipus iput ircc ircs ircu iri- iric irio irip iris iriy iroc irop irpc irps irrc irri irrs irsp irti irtp irts irus iscc isci isco iscp iscr iscs isct iscu isic isis isit iso- isoc isop isor isos ispc ispr isps ispy isri isrp issc issi isso issp issr isss issu issy istc isti isto istp istr ists isty isup isus isys itcs itic itis itoi itoo itor itos itou itpc itri itrs itry itsi itso itsp itsu itsy itto itty itup itur iucc iuiu iupp iuss iust iuty iyos iypt occc occi occt ocis ocos ocpp ocro ocrr ocrs oct- octi octo octs octy ocur ocys oici oiii oios oipc oirt oiry oisc oist oisu oitc oiti oocr oooo ooos oops oort oory oosi oost ootp oots ooty oous opic opii opio opis opit opo- opor opos oppi oppo opps oppy opry opsi opsu opsy opti opto opts opus orci orco orcs ori- oric orio oris orit oro- oror oros orot oroy orpc orpi orps orri orro orrs orry orsi orso orsu orsy ortc orto orts orup orus orys oscc osci osco osii osip osis osoi osoo osor osos osro ossi osso ossu ossy ostc osti ostr osts osyp osyt otic otis otit oto- otoo otor otos otoy otpp otro otrs otry otso otsu otti otto otts ottu otur otus otyr oucc ouii ouir ouis ouit our- ouro ours ourt oust out- outi outo outs outy ouu- ouyr oyou oyri oyss oyst pccc pccs pcip pcos pcpp pcps pcrc pcso pcts picc pici pico picr pics pict picu picy piip piot pipi pipo pipp pips pipy pirc piri piro pirr pirs piru piry pisi piso piss pist pisu pisy piti pito pitr pits pitt pitu pity pius piyo piys poco pocs poio pois poop poor poos poot pop- popc popi popo popp pops popt popy porc pori poro porr pors port pory posi poso poss post posy potc poti poto pots pott potu poty poui poup pour pous pout pouy poyo poyr poys ppcc ppci ppcs ppic ppos pppo pppp ppps pprc ppru ppss ppts pptt ppur prcc prcp prcs pri- prii pris pro- proc proo prop pros prot prou prps prri prrs prsc prsi prso prss prtc prti prtp prtr prus prut pruu prys psci psco pscu psip psis psoc psoi psos psou pspi pspp pspr psps psrp pssc psso psst psts pstu psy- psys ptcc ptop pttc ptui puir puis puit puiu puoy pupi pups pupu pupy pur- puri puro purp purr purs puru pury pusi puss pust put- puti puto puts putt putu puuc puy- puyi puyo puys puyt pyic pyo- pyos pyot pypy pyr- pyri pyro pyry pyss pyst pytt rccc rccs rcic rcis rcos rcpi rcpo rcps rcpt rcsc rcsi rcss rctc rcti rcts rcyc ricc rico rics rict riis rios riot riou ripi ripp ripr rips ript riri rirs risc risi riso risp riss rist risu riti rito rits ritt ritu rius riyo rocc roco rocs roio roir rois roit roiu rooi roop roor roos root ropo rops ropy rorc rori roro rort roru rory rosc rosi roso rosp ross rost rosy rotc roti roto rotr rots rott roty roup rous rout rouy roys royt rpcs rpii rpos rpps rpts rpyc rrrr rrsp rscc rscs rscy rsis rsos rspo rsps rstp rsts rstu rtcc rtps rtss rttp rtts ruci ruct ruis ruit ruoy rupp rupt rupy rurc ruri ruro rurp rurs ruru rusi ruso russ rust rusu rusy ruti ruto ruts rutt rutu ruty ruyi ruys ryip ryis ryot rysy rytt ryyt s-ic s-ii s-os sccc sccp sccs scct sccy sci- scic scio scip scir scis scit scoo scop scor scot scpi scpo scps scpt scr- scrc scri scrs scry scsc scsi scso scsr scst scsu sctc scto sctr scts scup scur scut sicc sici sico sicp sics sicu siit siop sior sios siot siou sipc sipi sipo sipp sips sipt sipy sirc siri siro sirp sirr sirs sirt siru sisc sisi siss sist sisu sisy sit- sitc siti