c-cd cccc cccp cccs ccdc ccdn ccdp ccds ccnc ccnp ccns ccoc ccod ccpn ccpp ccps ccsd ccsn ccsp ccss cdcs cdnc cdon cdos cdps cdss cnco cncp cndd cndp cnss coco cocp codd cods con- conc cond conn cono cons cood coon coop coos copd copo copp cops cosc coso cosp coss cpcs cpns cpos cppd cpps cpsc cpso cscc cscd csco cscs csdn csdp csnp csos cspc cspd csps cssd dccc dccp dccs dcds dcns dcon dcop dcos dcpo dcps dcsc dcss dddd ddoc ddpo ddps ddss dncs dnoc dnpo dnsc doco docs dod- dodd dodo dods donc dond donn dono donp dons dood doon doop doos dopo dopp dops doso doss dpcp dpos dppc dpsd dscc dscn dscp dscs dsdp dsos dsps dssc dssn dssp nccc nccn nccp nccs ncdc ncdn ncds ncnc ncnd ncoc ncos ncpc ncsc ncss ndcc ndcp ndcs nddo ndnp ndoc ndop ndos ndpd ndps ndss nnnn nnos nnss noco nocs nodo nods non- nonn nono nons noo- noon nooo noop noos nops nos- noss npcc nppc nppd npss nscc nscd nscs nsds nsos nspc nsps nssc nsso nssp nsss occc occn ocds ocon ocos ocpd ocpp oddd odds odon odoo odop odos odso onc- oncd onco ondo onno onod onon onos onsc onso oons oooo ooos oops opds opo- opon opos oppo opps oscc osco osno osoo osos ossd osso pccc pccs pcns pcod pcos pcpn pcpp pcps pcso pdcp pdns pdoc pdos pdpn pdsd pdss pnon pnpo pnpp pnsc pocd poco pocs pod- podd podo pods ponc pond pono ponp pons pood poon poop poos pop- popc popo popp pops posn poso poss ppcc ppcd ppcs ppds ppod ppos pppd pppn pppo pppp ppps ppss psco psdc psdp psds psnc psoc pson psos pspp psps pssc psso s-os sccc sccp sccs scdc scdp scds scnd scon scoo scop scpo scps scsc scsd scsn scso sdcc sdco sddc sdds sdps sdsc sdss sncc snco sncp snns snoc snod snoo snop snos snpo snpp snsd soco socs sodd sodo sods son- sond sono sons sood soon soop soos sopd sopo sopp sops soso soss spcc spco spcs spdc spdp spns spoc spod spon spoo spop spos sppd spps spsd spso spsp spss sscc sscp sscs ssdc ssdd ssdp ssns ssoc ssop sspc sspo ssps sssc ssss