-er c-- ccc ccd cce ccl ccp ccr cct cdc cdd cde cdl cdp cdr cdt ce- cec ced cee cel cep cer cet cl- clc cld cle cll clp clr clt cpc cpd cpe cpl cpp cpr cpt crc crd cre crl crp crr crt ctc ctd cte ctl ctp ctr ctt dcc dcd dce dcl dcp dcr dct ddc ddd dde ddl ddp ddr ddt de- dec ded dee del dep der det dl- dlc dld dle dll dlp dlr dlt dpc dpd dpe dpl dpp dpr dpt drc drd dre drl drp drr drt dtc dtd dte dtl dtp dtr dtt ec- ecc ecd ece ecl ecr ect ed- edc edd ede edl edp edr edt eec eed eee eel eep eer eet elc eld ele ell elp elr elt ep- epc epd epe epl epp epr ept erc erd ere erl erp err ert etc etd ete etl etp etr ett l-p lcc lcd lce lcl lcp lcr lct ldc ldd lde ldl ldp ldr ldt lec led lee lel lep ler let llc lld lle lll llp llr llt lpc lpd lpe lpl lpp lpr lpt lrc lrd lrp lrr lrt ltc ltd lte ltl ltp ltr ltt p-p pcc pcd pce pcl pcp pcr pct pdc pdd pde pdl pdp pdr pdt pec ped pee pel pep per pet plc pld ple pll plp plr plt ppc ppd ppe ppl ppp ppr ppt prc prd pre prl prp prr prt pt- ptc ptd pte ptl ptp ptr ptt rcc rcd rce rcl rcp rcr rct rdc rdd rde rdl rdp rdr rdt re- rec red ree rel rep rer ret rlc rld rle rll rlp rlr rlt rpc rpd rpe rpl rpp rpr rpt rrc rrd rrl rrp rrr rrt rtc rtd rte rtl rtp rtr rtt tcc tcd tce tcl tcp tcr tct tdc tdd tde tdl tdp tdr tdt te- tec ted tee tel tep ter tet tlc tld tle tll tlp tlr tlt tpc tpd tpe tpl tpp tpr tpt trc trd tre trl trp trr trt ttc ttd tte ttl ttp ttr ttt

c-cd cccc cccl cccp ccdc ccdp ccdr cced ccee ccel cclc ccpe ccpl ccpp ccpr ccrc ccre ccrl ccrp ccrt cctc cctl cctt cd-e cd-r cddl cddr cdec cder cdre cec- cece cecp cect cedd cede cedt ceec ceel cel- celc cele cell celt cepc cepe cepp cepr cept cer- cerc cerd cere cerl cerp cert cet- cete cetp clcd cldc cldr clec cled clee clep cler clet clpp clrd cltc cpce cpdl cpep cper cplc cppd cpre cprt cptp cptr crcc crce crcr crdc cre- crec cred cree crep cret crpc crrt crtc crtl crtp ctcp ctec ctep ctle ctpp ctrc ctrl ctrp dccc dccl dccp dcct dcpl dctc dddd ddlc ddrc ddre dec- decc decd dece decl dect dedd dede deed deel deep deer deet deld dele dell delp delt depc depe depp depr dept der- derc dere derp derr dete detr dpcp dpdt dper dpll dppc dred dree drel dret dtcc dtdp dted dtle dtpl dtrl dttp e-cl eccc ecce eccl ecct ecdc ecdl eced eclt ecpd ecpp ecrc ecrl ecrr ect- ectc eddc edde eddp ede- edel eder edle eede eeee eele eerc eetc eete el-p elce elde eldr elec eled elee eler elet elle elpe elte epcc epec epee eper eple epll eppc eppp eprp epte ercc erce ercp erde erec ered erel erer eret erld erle erll erpe errc erre ertl etcc etec etee etel eter etre ette lccc lcce lcdd lcdp lcdr lcer lcpc lcpd lcpl lcrd lcrl lctl lddp ldpc lece lect lede ledt leed leel leep leer leet lele lell lepe lepp lept lerc lerd lere lerp lert lete lett llcc lldc lldp llet lllc llll lpec lppl lprp lrdd lrrc lrrr ltcc ltee lttc lttr pccc pcce pccl pcep pcer pcll pcpp pcrc pcrd pcre pcrl pcte pdcp pdlc pdpr pdrc pdtc pece pecl pecr pect ped- pede peec peed peel peep peer peet pel- pele pell pelt pepd pepe per- perc perd pere perl perp perr pert pete petr pett plcc plce pldt ple- plec pled plee plet plpp pltt ppcc ppcd pper pple pppd pppp pprc pptt prcc prcd prcp pre- prec pred pree prel prep pret prle prlr prpd prrd prtc prtp prtr ptcc ptcl ptdc pter ptld ptpd ptrd pttc rccc rcdc rcde rcep rcet rcle rcpd rcpt rcrd rctc rder rdpc recc recd rece recp recr rect redc redd rede redl redr reed reel reep reet reld rele rell relp relt repe repl repp repr rept rerd rere rert retd rete retr rett rldt rlee rpdp rpet rptd rred rrle rrrr rtcc rtce rtdt rtee rtle rtlt rttp tccc tcdd tcep tctc tecl tecr tect tedd tede teec teed teel teer teet tel- telc teld tele tell telt tepe tepp ter- terc tere terp terr tete tetr tett tldp tldr tpcd tpcp tped tper tpld tppd tppp tppr tpte tptp tptr trcc trcl tre- trec tred tree tret trpc trpe trpp trtc trte trtr ttcp tter tttt

-tree c-p-c c-tec ccccc ccell ccett ccrcl ccrel cctld cctrl ceded cedel ceder cedr- cedre ceede ceele ceere celde celer cell- celle celte cepet cerc- cerce cerec cered cerer ceret cerre certe cetpd cette cleed cleer cleet clepe clept clerc clere clete clett cpctc crece crede creed creel creep creer crele crell crepe crept crete crrel cteep ctree ctrlc cttee dcell ddddd decet dedde dedee deder deece deede deele deepc deepe deepp deere deled delee delle depce depel derce derde dered derpt derre deter detre dette drdre dredd drede dreed dreel dreep drell drepe drere e-dee eccle edder eddre edell edere edler edred eeeee eelde eeled eeler eeped eepee eerde elded eldee elder elect eleet elele ellel eller ellet elpee elper elrec eperc erdec erdre erect erede erept erere erpel erred erte ertel erter etete etree ettel etter ettle lecce ledce ledee leder ledet leece leede leell leere leert lelep lelle lepel leper lepet leppe