cccc ccci cccl ccee ccel ccic ccii ccil ccir cclc ccli ccrc ccre ccri ccrl cec- cece ceci ceec ceel ceil cel- celc cele celi cell cer- cerc cere ceri cerl cicc cici cicr ciee ciel cier ciii cili cill circ cire ciri cirl cirr clec clee clei cler clic clii clir clri crcc crce crcr cre- crec cree crei cric crie e-cl eccc ecce ecci eccl ecil ecrc ecri ecrl ecrr eeee eele eerc eiec eiei eier eile eire elce elec elee eler elic elie elil elle elli ercc erce erec erei erel erer eric erie eril erle erli erll errc erre iccc icci iccl iccr icec icee icel icer icle icll iclr icrc icre icrr iecc ieie iele iere ieri iiie iiii iirc ilce ile- ilec iler ilic ilie ilir ill- ille illi ilre ircc iree irel irer iri- iric irie iril irrc irre irri lccc lcce lcer lcrl lece leel leer leic leie leil leir lele leli lell lerc lere lice licr liel lier liii liir lile lili lill lirc lire liri lirl lirr llcc lllc llll lric lrrc lrrr rccc rcic rcle recc rece reci recr reel reii reil reir rele rell rere reri ricc rice riel rier rile rill rire riri rlee rrle rrrr