-ene cccc cccv ccee cche cchr ccnc ccne ccnr ccrc ccre cec- cece ceec cen- cene cer- cerc cere cern chce chch chec chee cheh chen cher chev chnc chnr chrc chrn chrr cnrc cnrr crcc crce crcr cre- crec cree creh cren crne cvcc cven cver cvrr eccc ecce eche ecne ecrc ecrr ecrv eeee eerc eevn ehcc eheh ehen eher ehre en-v ence ench enee ener ennc enne ercc erce erch erec eren erer erev erhc erne errc erre erve even ever evre hccc hcch hech heer hehe hehn hene henh henn herc here hern herr heve hevn hhhh hnce hree hrrc hvcc nccc nccn nccr ncec ncee ncen ncer nchc ncnc ncrc ncre necc nece nech necr neen neer neev nehe nene nenh nerc nere nerr nerv neve nhcc nhnn nhrc nnnn nren nrrc nvcc rccc rcnr rcvr recc rece rech recr reen reev rehe rehn rene renn rere reve rhce rhee rhen rrrr rv-c rver rvvh vche vecc vech veen veer ven- vene venn ver- vere vern veve vhhh vrhe vrnn vver vvvv