c-- ccc cce ccf cch ccn ccs ce- cec cee cef ceh cen ces cfc cfe cff cfh cfn cfs ch- chc che chf chh chn chs cn- cnc cne cnf cnh cnn cns csc cse csf csh csn css ec- ecc ece ecf ech ecn ecs eec eee eef een ees ef- efc efe eff efh efs ehc ehe ehf ehh ehn ehs en- enc ene enf enh enn ens es- esc ese esf esh esn ess fcc fce fcf fcn fcs fec fee fef feh fen fes ffc ffe fff ffh ffn ffs fhc fhe fhf fhh fhn fhs fnc fne fnf fnh fnn fns fsc fse fsf fsh fsn fss hcc hce hcf hch hcn hcs he- hec hee hef heh hen hes hfc hfe hff hfh hfn hfs hhc hhe hhf hhh hhn hhs hnc hne hnf hnh hnn hns hsc hse hsf hsh hsn hss ncc nce ncf nch ncn ncs ne- nec nee nef neh nen nes nfc nfe nff nfn nfs nhc nhe nhf nhh nhn nhs nnc nne nnf nnh nnn nns nsc nse nsf nsh nsn nss scc sce scf sch scn scs se- sec see sef seh sen ses sfc sfe sff sfh sfn sfs sh- shc she shf shh shn shs snc sne snf snn sns ss- ssc sse ssf ssh ssn sss