cccc cccl ccee ccel cclc ccoc ccrc ccre ccrl ccrt cctc cctl cctt cec- cece ceco cect ceec ceel cel- celc cele cell celo celt ceol ceor cer- cerc cere cerl cero cert cet- cete ceto clec clee cleo cler clet cloe cloo clor clot clro cltc coce coco coct coel col- cole coll colo colt cool coot cor- corc core corl coro corr cort cotc cote coto cott crcc crce crcr cre- crec cree creo cret croc croe crol croo cror crot crrt crtc crtl ctec ctle ctol ctor ctot ctrc ctrl e-cl eccc ecce eccl ecco ecct eclt eco- ecol ecot ecrc ecrl ecrr ect- ectc ecto eeee eele eeoc eerc eero eetc eete elce elco elec elee eleo eler elet elle ello elro elte elto eole eolo eore eorl eotc eoto ercc erce erec erel erer eret erle erll eroc eroe erol eroo errc erre erro ertl etcc etco etec etee etel eter etoe etre etro ette etto lccc lcce lcer lcor lcrl lctl lcto lece leco lect leel leer leet lele lell lelo leoc leor lerc lere lero lert lete leto lett llcc llet lllc llll lloc lloo locc loce loco lole loll lolo looc looe lool loor loot lore loro lote lotl loto lotr lott lroc lrrc lrrr ltcc ltee lttc lttr o-eo occc occt oce ocee ocet oclc ocre ocrl ocro ocrr oct- octe octo oec- oecc oeec oele oere olcc ole- oleo oler olet olle ollo olor olot oocr ooer oolo oooo oore oort orce orco ore- orec orel oreo orer orle orlo oro- oroe oror orot orro ortc orte orto otcl otee oter oto- otoe otoo otor otre otro otte otto rccc rcet rcle rctc recc rece recr rect reel reet rele rell relo relt reol reot rere rero rert rete reto retr rett rlee rocc roce roco roel roer roet role roll rolo rolt rool roor root rorc rore roro rort rotc rote rotl roto rotr rott rrle rrrr rtcc rtce rtee rtle rtlt tccc tctc tecl teco tecr tect teec teel teer teet tel- telc tele tell telo telt teor ter- terc tere tero terr tete teto tetr tett tlco toce toco toee toer toet tol- tole toll tolo tolt tool toor toot torc tore toro torr tort totc tote toto totr tott trcc trcl tre- trec tree treo tret troc troe troo trot trtc trte trtr tteo tter ttoe tttt