a-a a-c a-z aaa aac aag aan aao aar aay aaz ac- aca acc acg acn aco acr acy acz ag- aga agc agg agn ago agr agy agz an- ana anc ang ann ano anr any anz aoa aoc aog aon aoo aor ar- ara arc arg arn aro arr ary arz ay- aya ayc ayn ayo ayr ayz az- aza azg azn azo azy azz c-- caa cac cag can cao car cay caz cca ccc ccg ccn cco ccr ccz cga cgc cgg cgn cgo cgr cgy cn- cna cnc cng cnn cno cnr cny co- coa coc cog con coo cor coy coz cra crc crg crn cro crr cry crz cya cyc cyg cyn cyo cyr cz- czc czo gaa gac gag gan gao gar gay gaz gca gcc gcg gcn gco gcr gga ggc ggg ggn ggo ggr ggz gna gnc gnn gno gnr goa goc gog gon goo gor goy goz gra grc grg grn gro grr gry gy- gya gyn gyo gyr gza gzo gzr naa nac nag nan nao nar nay naz nca ncc ncg ncn nco ncr nga ngc ngg ngn ngo nna nnc nng nnn nno nnz no- noa noc nog non noo nor noy noz nra nrc nrg nrn nro nrr nry nrz nya nyc nyg nyn nyo nyy nzg nzo nzz oaa oac oag oan oao oar oc- oca occ ocg ocn oco ocr ocz oga ogc ogg ogn ogo ogy on- ona onc ong onn ono onr ony oo- ooa ooc oog oon ooo oor or- ora orc org orn oro orr ory orz oya oyo oza ozo ozz ra- raa rac rag ran rao rar ray raz rca rcc rcg rcn rco rcr rga rgc rgg rgn rgo rgr rna rnc rng rnn rno rnr rny rnz roa roc rog ron roo ror roy roz rra rrc rrg rrn rrr ry- rya ryc ryg ryn ryo ryr ryy ryz rza rzo rzy yaa yac yag yan yao yar yay yaz yca ycc yco ycy yga ygc ygo yna yng ynn yny yoc yog yon yoo yor yoy yra yrc yrg yrn yro yyc yyg yyy yyz yzr yzy z-g zaa zac zag zan zao zar zay zaz zco zgg znc znn zno zo- zoa zoc zog zon zoo zor zro zzr zzy zzz