a-a a-c a-z aaa aac aah aar aav aaz ac- aca acc ach acr acv acz aha ahc ahh ahr ahv ahz ar- ara arc arh arr arv arz av- ava avc avh avr avz az- aza azz c-- caa cac cah car cav caz cca ccc cch ccr ccv ccz ch- cha chc chh chr chv chz cra crc crh crr crv crz cva cvc cvh cvr cvv cvz cz- czc haa hac hah har hav haz hca hcc hch hcr hcv hha hhc hhh hhr hhv hhz hr- hra hrc hrh hrr hrv hrz hv- hva hvc hvr hvv ra- raa rac rah rar rav raz rca rcc rch rcr rcv rh- rha rhc rhh rhr rhv rra rrc rrh rrr rva rvc rvh rvr rvv rza v-a vaa vac vah var vav vaz vca vcc vch vcr vh- vha vhc vra vrc vrh vrr vva vvc vvr vvv vvz zaa zac zah zar zav zaz zha zhc zhr zrh zzr zzz