a-a a-c a-z aaa aac aae aag aah aan aaz ac- aca acc ace acg ach acn acz aea aec aee aeg aeh aen aez ag- aga agc age agg agh agn agz aha ahc ahe ahg ahh ahn ahz an- ana anc ane ang anh ann anz az- aza aze azg azn azz c-- caa cac cae cag cah can caz cca ccc cce ccg cch ccn ccz ce- cea cec cee ceg ceh cen cez cga cgc cge cgg cgh cgn ch- cha chc che chg chh chn chz cn- cna cnc cne cng cnh cnn cz- czc cze eaa eac eae eag eah ean eaz ec- eca ecc ece ecg ech ecn eea eec eee eeg een ega egc ege egg egh egn eha ehc ehe ehg ehh ehn en- ena enc ene eng enh enn enz eze ezh ezz gaa gac gae gag gah gan gaz gca gcc gce gcg gch gcn ge- gea gec gee geg geh gen gez gga ggc ggg ggh ggn ggz gha ghc ghe ghg ghh ghn ghz gna gnc gne gnn gza haa hac hae hag hah han haz hca hcc hce hcg hch hcn he- hea hec hee heg heh hen hez hga hgc hge hgg hgh hgn hha hhc hhe hhg hhh hhn hhz hna hnc hne hng hnh hnn hnz hze naa nac nae nag nah nan naz nca ncc nce ncg nch ncn ne- nea nec nee neg neh nen nez nga ngc nge ngg ngh ngn nha nhc nhe nhg nhh nhn nhz nna nnc nne nng nnh nnn nnz nze nzg nzz z-g zaa zac zag zah zan zaz zce zea zec zee zeh zen zez zgg zha zhc zhe znc zne znn zzz