a-a a-c a-z aaa aac aag aan aao aar aav aaz ac- aca acc acg acn aco acr acv acz ag- aga agc agg agn ago agr agv agz an- ana anc ang ann ano anr anv anz aoa aoc aog aon aoo aor aov ar- ara arc arg arn aro arr arv arz av- ava avc avg avn avo avr avz az- aza azg azn azo azz c-- caa cac cag can cao car cav caz cca ccc ccg ccn cco ccr ccv ccz cga cgc cgg cgn cgo cgr cgv cn- cna cnc cng cnn cno cnr cnv co- coa coc cog con coo cor cov coz cra crc crg crn cro crr crv crz cva cvc cvg cvn cvo cvr cvv cvz cz- czc czo gaa gac gag gan gao gar gav gaz gca gcc gcg gcn gco gcr gga ggc ggg ggn ggo ggr ggv ggz gna gnc gnn gno gnr gnv goa goc gog gon goo gor gov goz gra grc grg grn gro grr grv gva gvc gvg gvn gvo gvr gza gzo gzr naa nac nag nan nao nar nav naz nca ncc ncg ncn nco ncr ncv nga ngc ngg ngn ngo nna nnc nng nnn nno nnv nnz no- noa noc nog non noo nor nov noz nra nrc nrg nrn nro nrr nrv nrz nva nvc nvg nvn nvv nzg nzo nzz oaa oac oag oan oao oar oav oc- oca occ ocg ocn oco ocr ocv ocz oga ogc ogg ogn ogo on- ona onc ong onn ono onr oo- ooa ooc oog oon ooo oor oov or- ora orc org orn oro orr orv orz ov- ova ovc ovo ovv oza ozo ozz ra- raa rac rag ran rao rar rav raz rca rcc rcg rcn rco rcr rcv rga rgc rgg rgn rgo rgr rgv rna rnc rng rnn rno rnr rnv rnz roa roc rog ron roo ror rov roz rra rrc rrg rrn rrr rva rvc rvg rvn rvo rvr rvv rza rzo v-a vaa vac vag van vao var vav vaz vca vcc vcn vco vcr vga vgc vgg vgn vgo vgr vgz vn- vna vng vno vnr vnv voa voc vog von voo vor vov voz vra vrc vrg vrn vrr vva vvc vvg vvo vvr vvv vvz vzn z-g zaa zac zag zan zao zar zav zaz zco zgg zgv znc znn zno zo- zoa zoc zog zon zoo zor zro zzr zzz