cccc ccci cccp cccs cccv ccic ccii ccip ccis cciv ccoc ccpp ccps ccsi ccsp ccss ccvi ccvo ccvs cicc cici cico cics ciii ciis cios cipo cipp cips cis- cisc cisp ciss cisv cisy civc civo civy coco cocp coip cois coop coos copi copo copp cops copy cosc cosi coso cosp coss cosy covo covy coyo coys cpcs cpic cpio cpos cpps cpsc cpso cpvc cscc csci csco cscs csio csis csos cspc cspi csps csys cvcc cvii cvss cyc- cycc cycs cypc cyps cyy- cyyc iccc icci icco iccp iccs icis icoc icos icpc icpo icps icsc icsi icsp icss iiii iiio iiis iioi iioo iiop iios iisc iisi iisp ioci iocp ioii ioio iooi iooo ioos iops ioso ipcc ipcs ipop ipos ippc ippo ippy ipsc ipsi ipso ipsp ipss ipvs iscc isci isco iscp iscs isic isis iso- isoc isop isos ispc isps ispy issc issi isso issp isss issy isys ivic ivys iyos occc occi ocis ocos ocpp ocys oici oiii oios oipc oisc oooo ooos oops oosi opic opii opio opis opo- opos oppi oppo opps oppy opsi opsy oscc osci osco osii osip osis osoi osoo osos osov ossi osso ossy osyp ovcs ovi- ovis ovo- ovoo ovpp oyss pccc pccs pcip pcos pcpp pcps pcso picc pici pico pics picy piip pipi pipo pipp pips pipy pisi piso piss pisy pivo piyo piys poco pocs poio pois poop poos pop- popc popi popo popp pops popy posi poso poss posy povo povs poyo poys ppcc ppci ppcs ppic ppos pppo pppp ppps ppss psci psco psip psis psoc psoi psos psov pspi pspp psps pssc psso psy- psys pvco pvcs pyic pyo- pyos pypy pyss s-ic s-ii s-iv s-os sccc sccp sccs sccy sci- scic scio scip scis sciv scoo scop scpi scpo scps scsc scsi scso scvp sicc sici sico sicp sics siop sios sipc sipi sipo sipp sips sipy sisc sisi siss sisy sivi siyi soci soco socs socy soic sois soop soos sooy sopi sopo sopp sops sopy sosi soso soss sosv sovo sovs soyo soys spcc spco spcs spic spio spip spis spiv spoc spoo spop spos spoy spps spso spsp spss spy- spys sscc ssci sscp sscs ssis ssoc ssop sspc sspo ssps sssc sssi ssss ssvp svcc svcs svic svoy svsc syco syis sypo syso syss vcci vic- vici vico vics viii vios vips visc visi viso visp viss visy vivi vivo vivy voic voio voip vois vooc vosi voso voss voyi voys vsic vsip vsop vssc vvvv vyis vyos vyso vyss yccc yips yiss yivo yoop yopo yopy yosi yoso yoyo ypcc ypsi ysco ysii ysop yspi yyyy