-ene cccc cccf cccl ccee ccel ccfc ccff ccfl cche cchl cclc ccnc ccne ccnf cec- cece ceec ceel cef- cefc cefn cehl cel- celc cele celf cell cen- cene cfcf cfcl cfcn cfln chce chch chec chee chef cheh chel chen chfc chlc chln chnc chnl clec clee clef cnel e-cl eccc ecce eccl ecef ecfc eche echl ecne eeee eefe eefl eefn eele efen ehcc eheh ehel ehen ehle elce elch elec elee elef eleh elen elfc elfe elle elne ence ench encl enee enel ennc enne fccf fcch fcnl fece fech feel feen fefc fefe feff fehl fele felf fell fene fenn ffcc ffee ffff flcl flee flen flnc fnlc hccc hcch hcfc hech heef heel hefe hehe hehn hele helf hell hene henh henn hfce hhcl hhhh hnce lccc lcce lcfc lchc lece lech leef leel leen lefe leff lehe lele lell lene lenn lfcc lfhe lhec lhee lhhh llcc llef lllc llll nccc nccf nccn ncec ncee ncef ncel ncen ncfc ncfe nchc nclc ncln ncnc necc nece nech neef neel neen nefe neff nefh nefl nehe nelc nele nelf nell nene nenh nfff nhcc nhhl nhnn nlcc nlcf nlec nnnn