cccc cccf cccl ccee ccel ccfc ccff ccfl cclc ccrc ccre ccrf ccrl ccrt cctc cctl cctt cec- cece cect ceec ceel cef- cefc cel- celc cele celf cell celt cer- cerc cere cerf cerl cert cet- cete cfcf cfcl cffr cfre cfrt cftc cfte cftl cftr clec clee clef cler clet cltc crcc crce crcr cre- crec cree cret crfc crfl crlf crrt crtc crtf crtl ctcf ctec ctfc ctle ctrc ctrl e-cl eccc ecce eccl ecct ecef ecfc ecfr eclt ecrc ecrf ecrl ecrr ect- ectc ectf eeee eefe eefl eele eerc eetc eete efet eft- elce elec elee elef eler elet elfc elfe elft elle elte ercc erce erec erel erer eret erfc erft erle erll errc erre ertl etcc etec etee etel eter etfc etfe etre ette fccf fece fect feel feer feet fefc fefe feff fele felf fell felt ferc fere ferr fert fete fetr fett ffcc ffee ffff ffrr fftf flcl flee fler flet frcc free fret frfc ft-c ft-l fter ftfc lccc lcce lcer lcfc lcfr lcrl lctl lece lect leef leel leer leet lefe leff left lele lell lerc lere lert lete lett lfcc llcc llef llet lllc llll lrfc lrrc lrrr ltcc ltee ltfc lttc lttr rccc rcet rcfc rcle rctc recc rece recr rect reef reel reet refe reff refl refr reft rele rell relt rere rert rete retr rett rfef rffc rffl rftc rlee rlef rrfc rrle rrrr rtcc rtce rtee rtfc rtle rtlt tccc tcfc tctc tecl tecr tect teec teef teel teer teet tefc teff tefl teft tel- telc tele tell telt ter- terc tere terf terr tete tetr tett tfec tftc trcc trcl tre- trec tree tref tret trfc trfr trtc trte trtr tter ttfc ttff tttt