c-- ccc cce ccf cch ccl ccn ce- cec cee cef ceh cel cen cfc cfe cff cfh cfl cfn ch- chc che chf chh chl chn cl- clc cle clf clh cll cln cn- cnc cne cnf cnh cnl cnn ec- ecc ece ecf ech ecl ecn eec eee eef eel een ef- efc efe eff efh efl ehc ehe ehf ehh ehl ehn elc ele elf elh ell eln en- enc ene enf enh enl enn fcc fce fcf fcl fcn fec fee fef feh fel fen ffc ffe fff ffh ffl ffn fhc fhe fhf fhh fhl fhn flc fle flf fll fln fnc fne fnf fnh fnl fnn hcc hce hcf hch hcl hcn he- hec hee hef heh hel hen hfc hfe hff hfh hfl hfn hhc hhe hhf hhh hhl hhn hlc hle hlf hlh hll hln hnc hne hnf hnh hnl hnn lcc lce lcf lch lcl lcn lec lee lef leh lel len lfc lfe lff lfh lfl lfn lhc lhf lhh llc lle llf lll lln lnc lne lnh lnl lnn ncc nce ncf nch ncl ncn ne- nec nee nef neh nel nen nfc nfe nff nfl nfn nhc nhe nhf nhh nhl nhn nlc nle nlf nlh nll nln nnc nne nnf nnh nnl nnn