c-cd cccc ccci cccp cccs ccdc ccdi ccdp ccds ccic ccid ccii ccip ccis ccoc ccod ccpp ccps ccsd ccsi ccsp ccss cdcs cdic cdii cdio cdis cdos cdps cdss cicc cici cico cics cidc cidi cidp cids ciid ciii ciis cios cipo cipp cips cis- cisc cisd cisp ciss coco cocp codd codi cods coip cois cood coop coos copd copi copo copp cops cosc cosi coso cosp coss cpcs cpic cpio cpos cppd cpps cpsc cpso cscc cscd csci csco cscs csdp csid csio csis csos cspc cspd cspi csps cssd dccc dcci dccp dccs dcds dcii dcio dcis dcop dcos dcpo dcps dcsc dcss dddd ddoc ddpo ddps ddss dici dico didi dido dids diii diis dioc diop dios dipc dipo dipp dips dis- disc disd disi diso disp diss doci doco docs dod- dodd dodi dodo dods doid dois dood doop doos dopo dopp dops dosi doso doss dpci dpcp dpos dppc dpsd dscc dscp dscs dsdp dsip dsos dsps dssc dssi dssp iccc icci icco iccp iccs icdc icdd icdp icis icoc icod icos icpc icpd icpo icps icsc icsd icsi icsp icss iddo idic idid idio idis idoc idos idps idsc idso idss iicd iiii iiio iiis iioi iioo iiop iios iisc iisd iisi iisp ioci iocp iod- iodd iodo ioii ioio iooi iooo ioos iops ioso ipcc ipcs ipdc ipdi ipid ipod ipop ipos ippc ippo ipsc ipsi ipso ipsp ipss iscc iscd isci isco iscp iscs isdc isds isic isis iso- isoc isop isos ispc isps issc issi isso issp isss occc occi ocds ocis ocos ocpd ocpp odci oddd oddi odds odic odio odis odoo odop odos odso oici oido oids oiii oios oipc oisc oisd oodi ooid oooo ooos oops oosi opds opic opii opio opis opo- opos oppi oppo opps opsi oscc osci osco osdi osii osip osis osoi osoo osos ossd ossi osso pccc pccs pcip pcod pcos pcpp pcps pcso pdci pdcp pdic pdoc pdos pdsd pdss picc pici pico pics pido pids piip pipi pipo pipp pips pisd pisi piso piss pocd poco pocs pod- podd podi podo pods poid poio pois pood poop poos pop- popc popi popo popp pops posi poso poss ppcc ppcd ppci ppcs ppds ppic ppid ppod ppos pppd pppo pppp ppps ppss psci psco psdc psdi psdp psds psid psip psis psoc psoi psos pspi pspp psps pssc psso s-ic s-ii s-os sccc sccp sccs scdc scdp scds sci- scic scid scio scip scis scoo scop scpi scpo scps scsc scsd scsi scso sdcc sdco sddc sdds sdic sdio sdps sdsc sdss sicc sici sico sicp sics sidd sidi sido sids siod siop sios sipc sipi sipo sipp sips sisc sisd sisi siss soci soco socs sodd sodo sods soic sois sood soop soos sopd sopi sopo sopp sops sosi soso soss spcc spco spcs spdc spdp spic spio spip spis spoc spod spoo spop spos sppd spps spsd spso spsp spss sscc ssci sscp sscs ssdc ssdd ssdp ssid ssis ssoc ssop sspc sspo ssps sssc sssi ssss