a-a a-c a-z aaa aac aan aar aav aaz ac- aca acc acn acr acv acz an- ana anc ann anr anv anz ar- ara arc arn arr arv arz av- ava avc avn avr avz az- aza azn azz c-- caa cac can car cav caz cca ccc ccn ccr ccv ccz cn- cna cnc cnn cnr cnv cra crc crn crr crv crz cva cvc cvn cvr cvv cvz cz- czc naa nac nan nar nav naz nca ncc ncn ncr ncv nna nnc nnn nnv nnz nra nrc nrn nrr nrv nrz nva nvc nvn nvv nzz ra- raa rac ran rar rav raz rca rcc rcn rcr rcv rna rnc rnn rnr rnv rnz rra rrc rrn rrr rva rvc rvn rvr rvv rza v-a vaa vac van var vav vaz vca vcc vcn vcr vn- vna vnr vnv vra vrc vrn vrr vva vvc vvr vvv vvz vzn zaa zac zan zar zav zaz znc znn zzr zzz