c-- ccc cce ccf cch ccn cco ce- cec cee cef ceh cen ceo cfc cfe cff cfh cfn cfo ch- chc che chf chh chn cho cn- cnc cne cnf cnh cnn cno co- coc coe cof coh con coo ec- ecc ece ecf ech ecn eco eec eee eef een eeo ef- efc efe eff efh efo ehc ehe ehf ehh ehn eho en- enc ene enf enh enn eno eo- eoc eoe eof eoh eon eoo fcc fce fcf fcn fco fec fee fef feh fen feo ffc ffe fff ffh ffn ffo fhc fhe fhf fhh fhn fho fnc fne fnf fnh fnn foc foe fof foh fon foo hcc hce hcf hch hcn hco he- hec hee hef heh hen heo hfc hfe hff hfh hfn hfo hhc hhe hhf hhh hhn hho hnc hne hnf hnh hnn hno hoc hoe hof hoh hon hoo ncc nce ncf nch ncn nco ne- nec nee nef neh nen neo nfc nfe nff nfn nfo nhc nhe nhf nhh nhn nnc nne nnf nnh nnn nno no- noc noe nof noh non noo oc- occ ocf och ocn oco oec oee oef oeh oen oeo of- ofc ofe off ofn ofo ohc ohe ohf ohh ohn oho on- onc one onf onh onn ono oo- ooc oof ooh oon ooo