-er a-a a-c aaa aac aae aah aan aap aar aav ac- aca acc ace ach acn acp acr acv aea aec aee aeh aen aep aer aev aha ahc ahe ahh ahn ahp ahr ahv an- ana anc ane anh ann anp anr anv ap- apa apc ape aph apn app apr apv ar- ara arc are arh arn arp arr arv av- ava avc ave avh avn avp avr c-- caa cac cae cah can cap car cav cca ccc cce cch ccn ccp ccr ccv ce- cea cec cee ceh cen cep cer cev ch- cha chc che chh chn chp chr chv cn- cna cnc cne cnh cnn cnp cnr cnv cpa cpc cpe cph cpn cpp cpr cpv cra crc cre crh crn crp crr crv cva cvc cve cvh cvn cvp cvr cvv eaa eac eae eah ean eap ear eav ec- eca ecc ece ech ecn ecr ecv eea eec eee een eep eer eev eha ehc ehe ehh ehn ehp ehr ehv en- ena enc ene enh enn enp enr env ep- epa epc epe eph epn epp epr era erc ere erh ern erp err erv eva evc eve evh evn evp evr evv haa hac hae hah han hap har hav hca hcc hce hch hcn hcp hcr hcv he- hea hec hee heh hen hep her hev hha hhc hhe hhh hhn hhp hhr hhv hna hnc hne hnh hnn hnv hpa hpc hpe hph hpn hpp hpr hpv hr- hra hrc hre hrh hrn hrp hrr hrv hv- hva hvc hvn hvp hvr hvv naa nac nae nah nan nap nar nav nca ncc nce nch ncn ncp ncr ncv ne- nea nec nee neh nen nep ner nev nha nhc nhe nhh nhn nhp nhr nhv nna nnc nne nnh nnn nnp nnv npa npc npe nph npn npp npr npv nra nrc nre nrn nrp nrr nrv nva nvc nve nvh nvn nvp nvv p-p paa pac pae pah pan pap par pav pca pcc pce pch pcn pcp pcr pcv pea pec pee peh pen pep per pev pha phc phe phn php phr phv pn- pna pnc pne pnh pnn pnp pnr pnv ppa ppc ppe pph ppn ppp ppr ppv pra prc pre prh prn prp prr prv pva pvc pve pvh pvn pvp pvr pvv ra- raa rac rae rah ran rap rar rav rca rcc rce rch rcn rcp rcr rcv re- rea rec ree reh ren rep rer rev rh- rha rhc rhe rhh rhn rhp rhr rhv rna rnc rnh rnn rnp rnr rnv rpa rpc rpe rph rpn rpp rpr rpv rra rrc rrh rrn rrp rrr rva rvc rve rvh rvn rvp rvr rvv v-a v-e vaa vac vae vah van vap var vav vca vcc vce vch vcn vcp vcr vea vec vee veh ven vep ver vh- vha vhc vhe vhp vn- vna vnp vnr vnv vpa vpc vpe vph vpn vpp vpr vra vrc vre vrh vrn vrp vrr vva vvc vvr vvv