-er c-- ccc cce ccl ccr ccs cct ccz ce- cec cee cel cer ces cet cez cl- clc cle cll clr cls clt clz crc cre crl crr crs crt crz csc cse csl csr css cst csz ctc cte ctl ctr cts ctt ctz cz- czc cze czt ec- ecc ece ecl ecr ecs ect eec eee eel eer ees eet elc ele ell elr els elt elz erc ere erl err ers ert erz es- esc ese esl esr ess est etc ete etl etr ets ett etz eze ezr ezs ezz lcc lce lcl lcr lcs lct lec lee lel ler les let lez llc lle lll llr lls llt llz lrc lrr lrs lrt lrz lsc lse lsl lsr lss lst lsz ltc lte ltl ltr lts ltt ltz lzr lzs rcc rce rcl rcr rcs rct re- rec ree rel rer res ret rez rlc rle rll rlr rls rlt rrc rrl rrr rrs rrt rsc rse rsl rsr rss rst rtc rte rtl rtr rts rtt rtz rze scc sce scl scr scs sct se- sec see sel ser ses set sez slc sle sll slr sls slt sr- src sre srl srr srs srt ss- ssc sse ssl ssr sss sst ssz stc ste stl str sts stt stz sze szl szr tcc tce tcl tcr tcs tct te- tec tee tel ter tes tet tez tlc tle tll tlr tls tlt tlz trc tre trl trr trs trt trz tsc tse tsl tsr tss tst ttc tte ttl ttr tts ttt tze tzs zce zcl zcs zec zee zel zer zes zet zez zlr zlt zrl zrs zse zsl zst zsz zte ztl ztr zzr zzs zzt zzz

cccc cccl cccs ccee ccel cclc ccls ccrc ccre ccrl ccrs ccrt ccsl ccss ccst cctc cctl cctt cec- cece cecs cect ceec ceel cees cel- celc cele cell cels celt cer- cerc cere cerl cers cert cesc cese cesr cess cest cet- cete cets ceze clec clee cler cles clet clrs clsc cltc clts crcc crce crcr crcz cre- crec cree cres cret crls crrt crss crst crtc crtl crts cscc csce cscl cscr cscs csec csee cser cset cslr csrc csrs csse cssr cstc cstr csts ctec ctle ctls ctrc ctrl ctrs ctsc ctss ctts czts e-cl eccc ecce eccl ecct eces eclt ecrc ecrl ecrr ecsc ecse ecss ect- ectc ects eecs eeee eees eele eels eerc eers eese eetc eete eets eeze elce elec elee eler eles elet elle ells else elst elte elts eltz elze ercc erce erec erel erer eres eret erez erle erll errc erre errs erse erst ertl erts ertz esce escr escs esee esel eser eses eset esse essl esst estc este estr ests etcc etcs etec etee etel eter etes etre ette ezel ezer lccc lcce lccs lcer lces lcls lcrl lcrs lcsc lcsr lctl lcts lece lect leel leer lees leet lele lell lerc lere lert lese less lest lete lets lett leze llcc llcs lles llet lllc llll lrcs lrrc lrrr lrse lrst lrts ls-r lscs lses lset lsrc lssr lsts ltcc ltcs ltee ltrs ltsr lttc lttr lztt rccc rccs rcet rcle rcls rcsc rcsl rcss rctc rcts recc rece recr recs rect recz reel rees reet rele rell rels relt rere rers rert rese ress rest rete retr rets rett retz reze rlcs rlee rlls rrle rrrr rscc rscs rsee rslc rsre rssl rsts rtcc rtce rtee rtes rtle rtls rtlt rtss rtts sccc scce sccl sccs scct scec scee scel scer scet scl- sclc scls scr- scrc scre scrs scsc scsl scsr scst sctc sctl sctr scts se-c se-e se-s se-t se-z sec- secc sece secr secs sect seec seel seer sees seet seez sele sell sels selt selz serc sere serr sers sert sesc sese sess sest set- setc sete setl sets sett setz slcc slee sler sles slet slrc slre slrs slsc slst slts srcc srct srec sres srtr sscc ssce sscs ssec ssee sses sset sslc ssle sslt ssrc ssrl ssrs sssc ssss sstc sstl ssts stcc stcs stec stee stel ster stes stet stlc stle stlt strc stre strs stss sttc sttr szss tccc tctc tcts tecl tecr tecs tect teec teel teer tees teet teez tel- telc tele tell tels telt telz ter- terc tere terr ters tesc tese tesl tess test tete tetr tets tett tetz tezz tlrs trcc trcl tre- trec tree tres tret trez trst trtc trte trtr tscc tsec tses tset tsez tsse tssr tsst tstc tsts tter ttss tttt tzzt zeel zees zele zell zels zert zest zete zeze zrce zrze zsss ztst zzzs zzzz

-tree c-tec ccccc cccsl ccell ccett ccrcl ccrel cctrl ceele ceere ceese celer celes cell- celle cells celse celss celte celts cerc- cerce cercs cerec cerer ceres ceret cerre cerrs cerse cerss certe certs cesce cescr cesse ceste cests cetes cette cleer cleet clerc clere cless clete clett crece creel creer crees crele crell cresc crese cress crest crete crlcs crrel crres cselt csere cstcc ctree ctrlc ctrls ctrlz cttee eccle ecczt ecser eeeee eeler elecs elect eleet elele elers eless elest elets ellel eller elles ellet elrec elser elses eltrs erecs erect erere erest erets eretz erles erres erses erste ersts erte ertel erter ertes esces escle escrt esect esels esere esrel essel esser esses essse estce estee estel ester estes estet estre etest etete etree etres ettel etter ettes ettle etzel ezell lcesz lecce leces lects lecze leece leell leere leers leert leese leest leets leez leeze leles lelle lerer lerez lesce leser lesse leste letre lette letts lezce llers llrrs lsers recce recet recls rect- recte rects reece reecs reels reelz reere reese reest reetz reeze relee reles relet relte rere- reree reres reret rerez resee resel reses reset resse reste restr rests retee retel reter retes rette retts rezel rezes rless rlrts s-tec scel- scere scert scler screc scree scter sctrs secle secre secte sects seece seele seels seere