a-a a-c aaa aac aah aar aav ac- aca acc ach acr acv aha ahc ahh ahr ahv ar- ara arc arh arr arv av- ava avc avh avr c-- caa cac cah car cav cca ccc cch ccr ccv ch- cha chc chh chr chv cra crc crh crr crv cva cvc cvh cvr cvv haa hac hah har hav hca hcc hch hcr hcv hha hhc hhh hhr hhv hr- hra hrc hrh hrr hrv hv- hva hvc hvr hvv ra- raa rac rah rar rav rca rcc rch rcr rcv rh- rha rhc rhh rhr rhv rra rrc rrh rrr rva rvc rvh rvr rvv v-a vaa vac vah var vav vca vcc vch vcr vh- vha vhc vra vrc vrh vrr vva vvc vvr vvv