a-a a-c aaa aac aae aah aap aav ac- aca acc ace ach acp acv aea aec aee aeh aep aev aha ahc ahe ahh ahp ahv ap- apa apc ape aph app apv av- ava avc ave avh avp c-- caa cac cae cah cap cav cca ccc cce cch ccp ccv ce- cea cec cee ceh cep cev ch- cha chc che chh chp chv cpa cpc cpe cph cpp cpv cva cvc cve cvh cvp cvv eaa eac eae eah eap eav ec- eca ecc ece ech ecv eea eec eee eep eev eha ehc ehe ehh ehp ehv ep- epa epc epe eph epp eva evc eve evh evp evv haa hac hae hah hap hav hca hcc hce hch hcp hcv he- hea hec hee heh hep hev hha hhc hhe hhh hhp hhv hpa hpc hpe hph hpp hpv hv- hva hvc hvp hvv p-p paa pac pae pah pap pav pca pcc pce pch pcp pcv pea pec pee peh pep pev pha phc phe php phv ppa ppc ppe pph ppp ppv pva pvc pve pvh pvp pvv v-a v-e vaa vac vae vah vap vav vca vcc vce vch vcp vea vec vee veh vep vh- vha vhc vhe vhp vpa vpc vpe vph vpp vva vvc vvv