c-- ccc cce cch ccl ccn ce- cec cee ceh cel cen ch- chc che chh chl chn cl- clc cle clh cll cln cn- cnc cne cnh cnl cnn ec- ecc ece ech ecl ecn eec eee eel een ehc ehe ehh ehl ehn elc ele elh ell eln en- enc ene enh enl enn hcc hce hch hcl hcn he- hec hee heh hel hen hhc hhe hhh hhl hhn hlc hle hlh hll hln hnc hne hnh hnl hnn lcc lce lch lcl lcn lec lee leh lel len lhc lhh llc lle lll lln lnc lne lnh lnl lnn ncc nce nch ncl ncn ne- nec nee neh nel nen nhc nhe nhh nhl nhn nlc nle nlh nll nln nnc nne nnh nnl nnn