cccc ccci cccp cccs ccic ccii ccip ccis ccnc ccni ccnp ccns ccoc ccpn ccpp ccps ccsi ccsn ccsp ccss cicc cici cico cics ciii ciis cin- cinc cini cino cion cios cipo cipp cips cis- cisc cisn cisp ciss cnci cnco cncp cnic cnss coco cocp coin coip cois con- conc coni conn cono cons coon coop coos copi copo copp cops cosc cosi coso cosp coss cpcs cpic cpio cpni cpns cpos cpps cpsc cpso cscc csci csco cscs csio csis csnp csos cspc cspi csps i-no iccc icci iccn icco iccp iccs icis icnc icns icoc icon icos icpc icpo icps icsc icsi icsp icss iiii iiio iiis iino iioi iioo iiop iios iisc iisi iisp inci inco incs inis inni inno inns ino- inoi inon inos inp- inpi inpp insc inso insp inss ioci iocp ioii ioio ioni ionn iono ions iooi iooo ioos iops ioso ipcc ipcs ipin ipop ipos ippc ippo ipsc ipsi ipso ipsp ipss iscc isci iscn isco iscp iscs isic isin isis isno iso- isoc ison isop isos ispc isps issc issi isso issp isss n-ii nccc ncci nccn nccp nccs ncip ncis ncnc ncoc ncos ncpc ncsc ncsi ncss nicc nici nico nics niip nini nino nins nion nioo nios nipc nips nisi niso nisp niss nnnn nnos nnpi nnss noci noco nocs noin noio nois non- noni nonn nono nons noo- noon nooo noop noos nops nos- noss npcc npic npin nppc npss nscc nscs nsic nsin nsis nsos nspc nspi nsps nssc nsso nssp nsss occc occi occn ocin ocis ocon ocos ocpp oici oiii oins oion oios oipc oisc onc- onco onic onis onni onno onon onos onsc onso oons oooo ooos oops oosi opic opii opin opio opis opo- opon opos oppi oppo opps opsi oscc osci osco osii osin osip osis osno osoi osoo osos ossi osso pccc pccs pcin pcip pcns pcos pcpn pcpp pcps pcso picc pici pico pics piip pinc pini pinn pino pinp pins pion pipi pipo pipp pips pisi piso piss pnic pnin pnon pnpo pnpp pnsc poco pocs poin poio pois ponc poni pono ponp pons poon poop poos pop- popc popi popo popp pops posi posn poso poss ppcc ppci ppcs ppic ppos pppn pppo pppp ppps ppss psci psco psip psis psnc psni psoc psoi pson psos pspi pspp psps pssc psso s-ic s-ii s-os sccc sccp sccs sci- scic scin scio scip scis scon scoo scop scpi scpo scps scsc scsi scsn scso sicc sici sico sicp sics sini sinn sino sinp sins sion siop sios sipc sipi sipo sipp sips sisc sisi siss sncc snco sncp snip snns snoc snoo snop snos snpo snpp soci soco socs soic soin sois son- soni sono sons soon soop soos sopi sopo sopp sops sosi soso soss spcc spco spcs spic spin spio spip spis spns spoc spon spoo spop spos spps spso spsp spss sscc ssci sscp sscs ssin ssis ssns ssoc ssop sspc sspo ssps sssc sssi ssss