c-- ccc ccd cco ccp ccr ccs cct cdc cdd cdo cdp cdr cds cdt co- coc cod coo cop cor cos cot cpc cpd cpo cpp cpr cps cpt crc crd cro crp crr crs crt csc csd cso csp csr css cst ctc ctd cto ctp ctr cts ctt dcc dcd dco dcp dcr dcs dct ddc ddd ddo ddp ddr dds ddt doc dod doo dop dor dos dot dpc dpd dpo dpp dpr dps dpt drc drd dro drp drr drs drt dsc dsd dso dsp dsr dss dst dtc dtd dto dtp dtr dts dtt oc- occ ocd oco ocp ocr ocs oct odc odd odo odp odr ods odt oo- ooc ood ooo oop oor oos oot op- opc opd opo opp opr ops opt or- orc ord oro orp orr ors ort os- osc osd oso osp osr oss ost ot- otc otd oto otp otr ots ott p-p pcc pcd pco pcp pcr pcs pct pdc pdd pdo pdp pdr pds pdt poc pod poo pop por pos pot ppc ppd ppo ppp ppr pps ppt prc prd pro prp prr prs prt ps- psc psd pso psp psr pss pst pt- ptc ptd pto ptp ptr pts ptt rcc rcd rco rcp rcr rcs rct rdc rdd rdo rdp rdr rds rdt roc rod roo rop ror ros rot rpc rpd rpo rpp rpr rps rpt rrc rrd rrp rrr rrs rrt rsc rsd rso rsp rsr rss rst rtc rtd rto rtp rtr rts rtt scc scd sco scp scr scs sct sdc sdd sdo sdp sdr sds sdt soc sod soo sop sor sos sot spc spd spo spp spr sps spt sr- src srd sro srp srr srs srt ss- ssc ssd sso ssp ssr sss sst stc std sto stp str sts stt tcc tcd tco tcp tcr tcs tct tdc tdd tdo tdp tdr tds tdt to- toc tod too top tor tos tot tpc tpd tpo tpp tpr tps tpt trc trd tro trp trr trs trt tsc tsd tso tsp tsr tss tst ttc ttd tto ttp ttr tts ttt

c-cd cccc cccp cccs ccdc ccdp ccdr ccds ccoc ccod ccpp ccpr ccps ccrc ccrp ccrs ccrt ccsd ccsp ccss ccst cctc cctt cd-r cdcs cddr cdos cdot cdps cdrs cdss coco cocp coct codd cods cood coop coos coot copd copo copp copr cops copt cor- corc cord coro corp corr cors cort cosc coso cosp coss cost cotc coto cots cott cpcs cpos cppd cpps cprs cprt cpsc cpso cpsr cptp cptr cpts crcc crcr crdc croc crod croo crop cror crot crpc crps crrt crsp crss crst crtc crtp crts cscc cscd csco cscr cscs csdp csdr csor csos csot cspc cspd csps cspt csrc csrd csrs cssd cssr cstc cstd csto cstr csts ctcp ctor ctos ctot ctpo ctpp ctps ctrc ctrp ctrs ctsc ctss ctts dccc dccp dccs dcct dcds dcop dcos dcpo dcps dcsc dcss dctc dcts dddd ddoc ddot ddpo ddps ddrc ddss ddts doco docs doct dod- dodd dodo dods dood doop door doos doot dopo dopp dopr dops dopt dorc dord doro dorp dorr dors dort doso doss dost dotd doto dots dott dpcp dpdt dpos dppc dpsd dpst dpts drod drop drot drrs drsp dscc dscp dscr dscs dsdp dsdr dsos dsps dspt dsrc dsrp dsrr dssc dssp dsst dstc dsto dsts dtcc dtdp dtor dtot dtss dttp occc occt ocds ocos ocpd ocpp ocro ocrr ocrs oct- octo octs oddd odds odoo odop odor odos odot odrp odso odts oocr oooo ooos oops oord oort oost ootp oots opds opo- opor opos oppo opps opto opts orco orcs ordo ords oro- oror oros orot orpc orps orro orrs orso ortc orto orts oscc osco osoo osor osos osrd osro ossd osso ostc ostr osts otcd oto- otoo otor otos otpp otro otrs otso otto otts pccc pccs pcod pcos pcpp pcps pcrc pcrd pcso pcts pdcp pdoc pdos pdpr pdrc pdrs pdsd pdss pdtc pocd poco pocs pod- podd podo pods pood poop poor poos poot pop- popc popo popp pops popt porc poro porr pors port poso poss post potc potd poto pots pott ppcc ppcd ppcs ppds ppod ppos pppd pppo pppp ppps pprc ppss ppts pptt prcc prcd prcp prcs pro- proc prod proo prop pros prot prpd prps prrd prrs prsc prsd prso prss prtc prtp prtr psco psdc psdp psdr psds psoc psos pspp pspr psps psrd psrp pssc psso psst psts ptcc ptdc ptop ptpd ptrd ptsd pttc rccc rccs rcdc rcds rcos rcpd rcpo rcps rcpt rcrd rcsc rcsd rcss rctc rcts rdoc rdos rdpc rdso rocc roco rocs rodd rodo rods rood roop roor roos root ropo rops rorc roro rort rosc roso rosp ross rost rotc roto rotr rots rott rpcs rpdp rpos rpps rptd rpts rrrr rrsp rscc rscs rsdd rsds rsos rspo rsps rstp rsts rtcc rtdt rtps rtss rttp rtts s-os sccc sccp sccs scct scdc scdp scds scoo scop scor scot scpo scps scpt scr- scrc scrs scsc scsd scso scsr scst sctc sctd scto sctr scts sdcc sdco sddc sdds sdot sdpr sdps sdrc sdrs sdsc sdss soco socr socs sodd sodo sods sood soop soor soos soot sopd sopo sopp sops sord soro sorr sors sort soso soss sost sotc soto sotp sots spcc spco spcs spdc spdp spdr spdt spoc spod spoo spop spor spos spot sppd spps sprd spro sprs spsd spso spsp spss spst sptc spto sptr spts srcc srct sros srpc srps srpt srsd srsp srtp srtr sscc sscp sscs ssdc ssdd ssdp ssoc ssop ssot sspc sspo ssps sspt ssrc ssrs sssc ssss sstc sstd sstp ssts stcc stcp stcs stds stod stoo stop stor stos stot stpd stpp stps strc strd stro strs stss sttc sttd sttr tccc tcdd tcos tcpo tctc tcts tdor tdss toco todd todo tods todt tood toor toos toot top- topd topo topp tops topt torc tord