a-a a-c aaa aac aah aan aav ac- aca acc ach acn acv aha ahc ahh ahn ahv an- ana anc anh ann anv av- ava avc avh avn c-- caa cac cah can cav cca ccc cch ccn ccv ch- cha chc chh chn chv cn- cna cnc cnh cnn cnv cva cvc cvh cvn cvv haa hac hah han hav hca hcc hch hcn hcv hha hhc hhh hhn hhv hna hnc hnh hnn hnv hv- hva hvc hvn hvv naa nac nah nan nav nca ncc nch ncn ncv nha nhc nhh nhn nhv nna nnc nnh nnn nnv nva nvc nvh nvn nvv v-a vaa vac vah van vav vca vcc vch vcn vh- vha vhc vn- vna vnv vva vvc vvv