a-a a-c a-z aaa aac aad aag aan aao aar aaz ac- aca acc acd acg acn aco acr acz ad- ada adc add adg adn ado adr adz ag- aga agc agd agg agn ago agr agz an- ana anc and ang ann ano anr anz aoa aoc aod aog aon aoo aor ar- ara arc ard arg arn aro arr arz az- aza azd azg azn azo azz c-- caa cac cad cag can cao car caz cca ccc ccd ccg ccn cco ccr ccz cda cdc cdd cdg cdn cdo cdr cdz cga cgc cgd cgg cgn cgo cgr cn- cna cnc cnd cng cnn cno cnr co- coa coc cod cog con coo cor coz cra crc crd crg crn cro crr crz cz- czc czd czo daa dac dad dag dan dao dar daz dca dcc dcd dcg dcn dco dcr dda ddc ddd ddg ddn ddo ddr ddz dga dgc dgd dgg dgn dgr dgz dna dnc dnd dng dnn dno dnr dnz doa doc dod dog don doo dor doz dra drc drd drg drn dro drr drz dza dzd dzo dzr g-d gaa gac gad gag gan gao gar gaz gca gcc gcd gcg gcn gco gcr gda gdc gdd gdn gdo gdr gga ggc ggd ggg ggn ggo ggr ggz gna gnc gnd gnn gno gnr goa goc god gog gon goo gor goz gra grc grd grg grn gro grr gza gzo gzr naa nac nad nag nan nao nar naz nca ncc ncd ncg ncn nco ncr nda ndc ndd ndg ndn ndo ndr nga ngc ngd ngg ngn ngo nna nnc nng nnn nno nnz no- noa noc nod nog non noo nor noz nra nrc nrd nrg nrn nro nrr nrz nzd nzg nzo nzz oaa oac oad oag oan oao oar oc- oca occ ocd ocg ocn oco ocr ocz oda odc odd odg odn odo odr oga ogc ogd ogg ogn ogo on- ona onc ond ong onn ono onr oo- ooa ooc ood oog oon ooo oor or- ora orc ord org orn oro orr orz oza ozo ozz ra- raa rac rad rag ran rao rar raz rca rcc rcd rcg rcn rco rcr rda rdc rdd rdg rdn rdo rdr rga rgc rgd rgg rgn rgo rgr rna rnc rnd rng rnn rno rnr rnz roa roc rod rog ron roo ror roz rra rrc rrd rrg rrn rrr rza rzo z-g zaa zac zad zag zan zao zar zaz zco zgg znc znd znn zno zo- zoa zoc zod zog zon zoo zor zro zzr zzz