c-cd cccc cccl cccp cccs ccdc ccdn ccdp ccds cclc ccls ccnc ccnp ccns ccpl ccpn ccpp ccps ccsd ccsl ccsn ccsp ccss ccst cctc cctl cctt cdcs cddl cdls cdnc cdps cdss clcd cldc clpp clsc cltc clts cncp cndd cndp cnsl cnss cntc cpcs cpdl cplc cpls cpns cpnt cppd cpps cpsc cpsl cptp cpts cscc cscd cscl cscs csdn csdp csld cslp csnp cspc cspd csps cspt cssd cstc cstd csts ctcp ctls ctns ctpp ctps ctsc ctsn ctss cttn ctts dccc dccl dccp dccs dcct dcds dcls dcns dcpl dcps dcsc dcss dctc dcts dddd ddlc ddps ddss ddts dlcs dlst dncs dnsc dntp dntt dpcp dpdt dpll dpls dppc dpsd dpst dpts dscc dscn dscp dscs dsdp dsls dsps dspt dssc dssn dssp dsst dstc dstn dsts dtcc dtdp dtpl dtss dttp lccc lccs lcdd lcdp lcds lcls lcpc lcpd lcpl lcps lcsc lcsd lcsp lctl lcts lddp ldls ldpc llcc llcs lldc lldp llds lllc llll llps lndn lntc lnts lpns lppl lpsc lpss lscs lsds lspl lssp lsts ltcc ltcs ltds ltns ltnt ltps ltsp lttc nccc nccn nccp nccs ncct ncdc ncdn ncds nclc ncln ncnc ncnd ncpc ncsc ncsl ncss ncst nctc ndcc ndcp ndcs ndls ndnp ndnt ndpd ndps ndsl ndss ndtc nlcc nlcs nlls nlpc nlsc nlsp nnls nnnn nnsl nnss nntn npcc nppc nppd nppl npsl npss nptc nptn nscc nscd nscl nscs nsdl nsds nsdt nslp nsls nspc nsps nssc nssp nsss nstc nstd nstl nstp nsts ntcc ntds ntnd ntpc ntpd ntsc ntss pccc pccl pccs pcll pcns pcnt pcpn pcpp pcps pcts pdcp pdlc pdns pdpn pdsd pdss pdtc plcc pldn pldt plnt plpp plss pltt pnld pnln pnnl pnpp pnsc pntd pntl ppcc ppcd ppcs ppds pppd pppn pppp ppps ppss pptn ppts pptt psdc psdp psds psnc pspp psps pssc psst psts ptcc ptcl ptdc ptld ptpd ptsd pttc sccc sccl sccp sccs scct scdc scdp scds scl- sclc scls scnd scnt scpl scps scpt scsc scsd scsl scsn scst sctc sctd sctl sctn scts sdcc sddc sdds sdlc sdls sdlt sdps sdsc sdsl sdss slcc slcd slds slln sllp slpp slps slsc slst slts sncc sncp snns snpp snsd spcc spcs spdc spdl spdp spdt splc splp spls spns sppd spps spsd spsp spss spst sptc spts sscc sscp sscs ssdc ssdd ssdp sslc sslp sslt ssns sspc sspl ssps sspt sssc ssss sstc sstd sstl sstp ssts stcc stcp stcs stds stlc stld stln stlt stnd stnn stns stpd stpp stps stss sttc sttd tccc tcdd tcnn tctc tcts tdls tdss tldp tncc tndd tnsp tnts tpcd tpcp tpcs tpld tpls tppd tppp tpsc tptp tscc tscp tspn tsps tspt tsst tstc tsts ttcn ttcp ttss tttt