c-- ccc ccd cce cch ccp ccs cdc cdd cde cdh cdp cds ce- cec ced cee ceh cep ces ch- chc chd che chh chp chs cpc cpd cpe cph cpp cps csc csd cse csh csp css dcc dcd dce dcp dcs ddc ddd dde ddh ddp dds de- dec ded dee deh dep des dh- dhc dhd dhe dhh dhp dhs dpc dpd dpe dph dpp dps dsc dsd dse dsh dsp dss ec- ecc ecd ece ech ecs ed- edc edd ede edh edp eds eec eed eee eep ees ehc ehd ehe ehh ehp ehs ep- epc epd epe eph epp eps es- esc esd ese esh esp ess hcc hcd hce hch hcp hcs hdc hdd hde hdh hdp hds he- hec hed hee heh hep hes hhc hhd hhe hhh hhp hhs hpc hpd hpe hph hpp hps hsc hsd hse hsh hsp hss p-p pcc pcd pce pch pcp pcs pdc pdd pde pdh pdp pds pec ped pee peh pep pes phc phd phe php phs ppc ppd ppe pph ppp pps ps- psc psd pse psh psp pss scc scd sce sch scp scs sdc sdd sde sdh sdp sds se- sec sed see seh sep ses sh- shc shd she shh shp shs spc spd spe sph spp sps ss- ssc ssd sse ssh ssp sss