c-- ccc cce ccf cch cco ccp ccs ce- cec cee cef ceh ceo cep ces cfc cfe cff cfh cfo cfp cfs ch- chc che chf chh cho chp chs co- coc coe cof coh coo cop cos cpc cpe cpf cph cpo cpp cps csc cse csf csh cso csp css ec- ecc ece ecf ech eco ecs eec eee eef eeo eep ees ef- efc efe eff efh efo efp efs ehc ehe ehf ehh eho ehp ehs eo- eoc eoe eof eoh eoo eop eos ep- epc epe epf eph epo epp eps es- esc ese esf esh eso esp ess fcc fce fcf fco fcp fcs fec fee fef feh feo fep fes ffc ffe fff ffh ffo ffp ffs fhc fhe fhf fhh fho fhp fhs foc foe fof foh foo fop fos fpc fpe fph fpo fpp fps fsc fse fsf fsh fso fsp fss hcc hce hcf hch hco hcp hcs he- hec hee hef heh heo hep hes hfc hfe hff hfh hfo hfp hfs hhc hhe hhf hhh hho hhp hhs hoc hoe hof hoh hoo hop hos hpc hpe hpf hph hpo hpp hps hsc hse hsf hsh hsp hss oc- occ ocf och oco ocp ocs oec oee oef oeh oeo oep oes of- ofc ofe off ofo ofp ofs ohc ohe ohf ohh oho ohp ohs oo- ooc oof ooh ooo oop oos op- opc ope opf oph opo opp ops os- osc ose osf osh oso osp oss p-p pcc pce pcf pch pco pcp pcs pec pee pef peh peo pep pes pfc pfe pff pfo pfp pfs phc phe phf pho php phs poc poe pof poh poo pop pos ppc ppe ppf pph ppo ppp pps ps- psc pse psf psh pso psp pss scc sce scf sch sco scp scs se- sec see sef seh seo sep ses sfc sfe sff sfh sfo sfp sfs sh- shc she shf shh sho shp shs soc soe sof soh soo sop sos spc spe spf sph spo spp sps ss- ssc sse ssf ssh sso ssp sss