a-a a-c a-z aaa aac aag aah aao aap aaz ac- aca acc acg ach aco acp acz ag- aga agc agg agh ago agp agz aha ahc ahg ahh aho ahp ahz aoa aoc aog aoh aoo aop ap- apa apc apg aph apo app az- aza azg azo azp azz c-- caa cac cag cah cao cap caz cca ccc ccg cch cco ccp ccz cga cgc cgg cgh cgo cgp ch- cha chc chg chh cho chp chz co- coa coc cog coh coo cop coz cpa cpc cpg cph cpo cpp cpz cz- czc czo g-p gaa gac gag gah gao gap gaz gca gcc gcg gch gco gcp gga ggc ggg ggh ggo ggp ggz gha ghc ghg ghh gho ghp ghz goa goc gog goh goo gop goz gpa gpc gpg gph gpo gpp gpz gza gzo gzp haa hac hag hah hao hap haz hca hcc hcg hch hco hcp hga hgc hgg hgh hgo hgp hha hhc hhg hhh hho hhp hhz hoa hoc hog hoh hoo hop hpa hpc hpg hph hpo hpp hzo hzp oaa oac oag oah oao oap oc- oca occ ocg och oco ocp ocz oga ogc ogg ogh ogo ogp oha ohc ohg ohh oho ohp oo- ooa ooc oog ooh ooo oop op- opa opc opg oph opo opp oza ozo ozz p-p paa pac pag pah pao pap paz pca pcc pcg pch pco pcp pga pgc pgg pgh pgo pgp pha phc phg pho php poa poc pog poh poo pop poz ppa ppc ppg pph ppo ppp ppz pzc pzp z-g zaa zac zag zah zao zap zaz zco zgg zha zhc zho zo- zoa zoc zog zoo zpc zpg zpo zpp zzz