-er c-- ccc cce cch ccp ccr ccv ce- cec cee ceh cep cer cev ch- chc che chh chp chr chv cpc cpe cph cpp cpr cpv crc cre crh crp crr crv cvc cve cvh cvp cvr cvv ec- ecc ece ech ecr ecv eec eee eep eer eev ehc ehe ehh ehp ehr ehv ep- epc epe eph epp epr erc ere erh erp err erv evc eve evh evp evr evv hcc hce hch hcp hcr hcv he- hec hee heh hep her hev hhc hhe hhh hhp hhr hhv hpc hpe hph hpp hpr hpv hr- hrc hre hrh hrp hrr hrv hv- hvc hvp hvr hvv p-p pcc pce pch pcp pcr pcv pec pee peh pep per pev phc phe php phr phv ppc ppe pph ppp ppr ppv prc pre prh prp prr prv pvc pve pvh pvp pvr pvv rcc rce rch rcp rcr rcv re- rec ree reh rep rer rev rh- rhc rhe rhh rhp rhr rhv rpc rpe rph rpp rpr rpv rrc rrh rrp rrr rvc rve rvh rvp rvr rvv v-e vcc vce vch vcp vcr vec vee veh vep ver vh- vhc vhe vhp vpc vpe vph vpp vpr vrc vre vrh vrp vrr vvc vvr vvv