cccc ccci cccl ccee ccel ccic ccii ccil ccir cclc ccli ccrc ccre ccri ccrl ccrt cctc cctl cctt cec- cece ceci cect ceec ceel ceil cel- celc cele celi cell celt cer- cerc cere ceri cerl cert cet- cete ceti cicc cici cicr cict ciee ciel cier ciii ciit cili cill cilt circ cire ciri cirl cirr cirt cite citi citl citt clec clee clei cler clet clic clii clir clit clri cltc crcc crce crcr cre- crec cree crei cret cric crie crit crrt crtc crtl ctec ctic ctle ctrc ctrl e-cl eccc ecce ecci eccl ecct ecil ecit eclt ecrc ecri ecrl ecrr ect- ectc eeee eele eerc eetc eete eiec eiei eier eile eire eitc eiti eitr elce elec elee eler elet elic elie elil elit elle elli elte ercc erce erec erei erel erer eret eric erie eril erit erle erli erll errc erre ertl etcc etec etee etel eter etic etre ette etti iccc icci iccl iccr icct icec icee icel icer icet icle icll iclr icrc icre icrr icrt iecc ieet ieie iele iere ieri iett iiie iiii iiit iirc iitr iitt ilce ile- ilec iler ilet ilic ilie ilir ilit ill- ille illi illt ilre ircc iree irel irer iri- iric irie iril irrc irre irri irte irti itec itel iter itet itic itie itil itll itri lccc lcce lcer lcrl lctl lece lect leel leer leet leic leie leil leir leit lele leli lell lerc lere lert lete leti lett lice licr lict liel lier liet liii liir lile lili lill lilt lirc lire liri lirl lirr lirt lite liti litl litr litt llcc llet lllc llll lric lrrc lrrr ltcc ltci ltee lttc lttr rccc rcet rcic rcle rctc rcti recc rece reci recr rect reel reet reii reil reir reit rele rell relt rere reri rert rete reti retr rett ricc rice rict riel rier riet rile rill rire riri rite riti ritl ritt rlee rrle rrrr rtcc rtce rtee rtei rtle rtlt tccc tctc tecl tecr tect teec teel teer teet teic teie teil teir tel- telc tele teli tell telt ter- terc tere teri terr tete teti tetr tett ticc tice tie- tiee tiei tiel tier tiet tiit tile till tilr tilt tire tiri tirl tirr titc tite titi titt tlli trcc trcl tre- trec tree trei tret tri- tric trie tril trit trtc trte trtr tter tttt