-ene cccc cccf cccl cccu ccee ccel ccfc ccff ccfl cclc ccnc ccne ccnf ccnu ccuc cec- cece ceec ceel cef- cefc cefn cel- celc cele celf cell cen- cene cfcf cfcl cfcn cfln cfun clec clee clef cleu clue clun cnel cucc cuce cucn cufc cuff culc cule cull cune e-cl eccc ecce eccl ecef ecfc ecne eeee eefe eefl eefn eele efen elce elec elee elef elen elfc elfe elle ellu elne elue elul ence encl enee enel ennc enne ennu enue enuf eufc eule fccf fcnl fece feel feen fefc fefe feff fele felf fell fene fenn ffcc ffee ffff ffun flcl flee flen flnc flue fluf fnlc fnuf fuc- fuel fufc fuff fufu fule full fulu fune funf lccc lcce lcfc le-u lece leef leel leen lefe leff lele lell lelu lene lenn leuc leun lfcc llcc llef lleu lllc llll luce luef lufe luff lufu lule lull lulu lune lunn nccc nccf nccn nccu ncec ncee ncef ncel ncen ncfc ncfe nclc ncln ncnc ncue necc nece neef neel neen nefe neff nefl nelc nele nelf nell nene nenu neuc neue neuf neun neuu nfcu nfff nlcc nlcf nlec nnnn nuce nucu nuee nuel nuff nule null nunc nune nunn ucel uele uell ufcu ufel uffe ulcc ulee ulen ulfe ulle ulne ulul uncc unce uncf uncl unec unee unef unen unle unlf unne uuen uulu uuuu