-er a-a a-c aaa aac aae aah aan aar aav ac- aca acc ace ach acn acr acv aea aec aee aeh aen aer aev aha ahc ahe ahh ahn ahr ahv an- ana anc ane anh ann anr anv ar- ara arc are arh arn arr arv av- ava avc ave avh avn avr c-- caa cac cae cah can car cav cca ccc cce cch ccn ccr ccv ce- cea cec cee ceh cen cer cev ch- cha chc che chh chn chr chv cn- cna cnc cne cnh cnn cnr cnv cra crc cre crh crn crr crv cva cvc cve cvh cvn cvr cvv eaa eac eae eah ean ear eav ec- eca ecc ece ech ecn ecr ecv eea eec eee een eer eev eha ehc ehe ehh ehn ehr ehv en- ena enc ene enh enn enr env era erc ere erh ern err erv eva evc eve evh evn evr evv haa hac hae hah han har hav hca hcc hce hch hcn hcr hcv he- hea hec hee heh hen her hev hha hhc hhe hhh hhn hhr hhv hna hnc hne hnh hnn hnv hr- hra hrc hre hrh hrn hrr hrv hv- hva hvc hvn hvr hvv naa nac nae nah nan nar nav nca ncc nce nch ncn ncr ncv ne- nea nec nee neh nen ner nev nha nhc nhe nhh nhn nhr nhv nna nnc nne nnh nnn nnv nra nrc nre nrn nrr nrv nva nvc nve nvh nvn nvv ra- raa rac rae rah ran rar rav rca rcc rce rch rcn rcr rcv re- rea rec ree reh ren rer rev rh- rha rhc rhe rhh rhn rhr rhv rna rnc rnh rnn rnr rnv rra rrc rrh rrn rrr rva rvc rve rvh rvn rvr rvv v-a v-e vaa vac vae vah van var vav vca vcc vce vch vcn vcr vea vec vee veh ven ver vh- vha vhc vhe vn- vna vnr vnv vra vrc vre vrh vrn vrr vva vvc vvr vvv