cccc cccf cccl ccee ccel ccfc ccff ccfl cclc ccrc ccre ccrf ccrl cec- cece ceec ceel cef- cefc cel- celc cele celf cell cely cer- cerc cere cerf cerl cery ceyl cfcf cfcl cfcy cffr cfre cfry clec clee clef cler cley cly- clye crcc crce crcr cre- crec cree crfc crfl crlf cry- cyc- cycc cycl cyfe cyl- cylc cyle cyll cyre cyrl cyy- cyyc e-cl eccc ecce eccl ecef ecfc ecfr ecly ecrc ecrf ecrl ecrr eeee eefe eefl eele eely eerc eery effy efly elce elec elee elef eler eley elfc elfe elle elly ercc erce erec erel erer erfc erle erll errc erre eryc erye eyec eyer eyey eyle eyre eyry eyyr fccf fece feel feer fefc fefe feff fele felf fell ferc fere ferr fery feyr ffcc ffee ffff ffrr flcl flee fler fley flye frcc free frey frfc frye fyce fyfe fyle fyre fyry lccc lcce lcer lcfc lcfr lcrl lece lecy leef leel leer lefe leff lele lell lely lerc lere lery leye leyf leyr lfcc llcc llef lllc llll llyr lrfc lrrc lrrr lrry lyc- lyce lyef lyer lyfe lyff lyfy lyle lyly lyre lyyf rccc rcfc rcle rcyc recc rece recr recy reef reel refe reff refl refr rele rell rely rere rery reye rfef rffc rffl rlee rlef rrfc rrle rrrr ryel ryfe ryff ryle ryyf yccc ycee yeel yeer yefe yeff yele yelf yell yere yerl yerr yery yeye yeyr yfel ylle yrle yrly yyfe yyff yyyy