cccc cccf ccci cccp cccs ccfc ccff ccfi ccic ccii ccip ccis ccoc ccpp ccps ccsf ccsi ccsp ccss cfcf cfco cfcs cfos cfpo cfps cfsi cicc cici cico cics ciff cifs ciii ciis cios cipf cipo cipp cips cis- cisc cisp ciss coco cocp cofc coff cofi cofs coif coip cois coof coop coos copi copo copp cops cosc cosi coso cosp coss cpcs cpff cpic cpif cpio cpos cpps cpsc cpso cscc cscf csci csco cscs csfc csio csis csos cspc cspi csps fccf fccp fcic fcii fcps fcsc ffcc ffff ffii ffps ffss ficc fico fics fifc fiff fifi fifo fiii fios fipp fips fisc fisi fiss foci foco focs fofo fois foof foos fopp fops fosi foso foss fp-c fpcc fscc fsfi fsfo fspc fspf fssc fssf fssp iccc iccf icci icco iccp iccs icis icoc icos icpc icpo icps icsc icsi icsp icss ifco ifcp ific ifis ifpo ifps ifsc ifso ifsp iiii iiio iiis iioi iioo iiop iios iipf iisc iisi iisp ioci iocp iofc ioii ioio ioof iooi iooo ioos iops ioso ipcc ipcs ipfc ipop ipos ippc ippf ippo ipsc ipsi ipso ipsp ipss iscc isci isco iscp iscs isfc isfp isic isis iso- isoc isof isop isos ispc ispf isps issc issf issi isso issp isss occc occi ocfp ocis ocos ocpp off- offc offo offs oici oiii oios oipc oisc ooff oofs oooo ooos oops oosi opic opii opio opis opo- opos oppi oppo opps opsi oscc osci osco osii osip osis osoi osoo osos ossi osso pccc pccs pcfc pcip pcos pcpp pcps pcso pfcs pfff pfic pfis pfps picc pici pico pics piff pifs piip pipi pipo pipp pips pisi piso piss poco pocs poff pofi poio pois poof poop poos pop- popc popi popo popp pops posi poso poss ppcc ppci ppcs ppic ppif ppos pppo pppp ppps ppsf ppss psci psco psfs psip psis psoc psoi psos pspi pspp psps pssc psso s-ic s-ii s-os sccc sccp sccs scfc scfi sci- scic scif scio scip scis scoo scop scpi scpo scps scsc scsi scso sfcc sfco sfcs sffc sfio sfos sfpc sfss sicc sici sico sicp sics siff sifo siop sios sipc sipi sipo sipp sips sisc sisi siss soci soco socs sofi sofo soic soif sois soof soop soos sopi sopo sopp sops sosi soso soss spcc spco spcs spfc spfs spic spio spip spis spoc spoo spop spos sppf spps spso spsp spss sscc ssci sscp sscs ssfc ssfp ssis ssoc ssop sspc sspf sspo ssps sssc sssf sssi ssss