c-cd cccc cccl cccp cccs ccdc ccdp ccds cclc ccls ccoc ccod ccpl ccpp ccps ccsd ccsl ccsp ccss cdcs cddl cdls cdos cdps cdss clcd cldc clod cloo clop clos clpp clsc coco cocp codd codl cods col- cold coll colo colp cols cood cool coop coos copd copo copp cops cosc cosl coso cosp coss cpcs cpdl cplc cpls cpos cppd cpps cpsc cpsl cpso cscc cscd cscl csco cscs csdp csld cslp csos cspc cspd csps cssd dccc dccl dccp dccs dcds dcls dcop dcos dcpl dcpo dcps dcsc dcss dddd ddlc ddoc ddpo ddps ddss dlco dlcs dlos doco docs dod- dodd dodo dods dold doll dolo dolp dols dood dool doop doos dopo dopp dops doso doss dpcp dpll dpls dpos dppc dpsd dscc dscp dscs dsdp dsls dsos dsps dssc dssp lccc lccs lcdd lcdp lcds lcls lcpc lcpd lcpl lcps lcsc lcsd lcsp lddp ldls ldos ldpc llcc llcs lldc lldp llds lllc llll lloc llod lloo llps locc loco locs lods lold loll lolo lols looc lood lool loop loos lopp lops losc loso losp loss lpod lppl lpsc lpss lsco lscs lsds lspl lsso lssp occc ocds oclc ocos ocpd ocpp oddd odds odoo odop odos odso olcc olds ollo olos olpc oold oolo oooo ooos oops opds opls opo- opos oppo opps oscc oscl osco oslo osoo osos ossd osso pccc pccl pccs pcll pclo pcod pcos pcpp pcps pcso pdcp pdlc pdoc pdos pdsd pdss plcc ploc plod ploo plop plos plpp plss pocd poco pocs pod- podd podo pods pold poll polo pols pood pool poop poos pop- popc popo popp pops poso poss ppcc ppcd ppcs ppds pplo ppod ppos pppd pppo pppp ppps ppss psco psdc psdp psds psoc psol psos pspp psps pssc psso s-os sccc sccl sccp sccs scdc scdp scds scl- sclc scls scol scoo scop scpl scpo scps scsc scsd scsl scso sdcc sdco sddc sdds sdlc sdls sdps sdsc sdsl sdss slcc slcd slds sllp sloc slod sloo slop slos slpp slps slsc socl soco socs sodd sodo sods sold soll solo solp sols sood sool soop soos sopd sopo sopp sops soso soss spcc spco spcs spdc spdl spdp splc splo splp spls spoc spod spoo spop spos sppd spps spsd spso spsp spss sscc sscp sscs ssdc ssdd ssdp sslc sslp ssoc ssop sspc sspl sspo ssps sssc ssss