a-a a-c aaa aac aae aaf aag aah aao aap ac- aca acc ace acf acg ach aco acp aea aec aee aef aeg aeh aeo aep af- afa afc afe aff afg afh afo afp ag- aga agc age agf agg agh ago agp aha ahc ahe ahf ahg ahh aho ahp aoa aoc aoe aof aog aoh aoo aop ap- apa apc ape apf apg aph apo app c-- caa cac cae caf cag cah cao cap cca ccc cce ccf ccg cch cco ccp ce- cea cec cee cef ceg ceh ceo cep cfa cfc cfe cff cfg cfh cfo cfp cga cgc cge cgg cgh cgo cgp ch- cha chc che chf chg chh cho chp co- coa coc coe cof cog coh coo cop cpa cpc cpe cpf cpg cph cpo cpp eaa eac eae eaf eag eah eao eap ec- eca ecc ece ecf ecg ech eco eea eec eee eef eeg eeo eep ef- efa efc efe eff efg efh efo efp ega egc ege egf egg egh ego egp eha ehc ehe ehf ehg ehh eho ehp eo- eoa eoc eoe eof eog eoh eoo eop ep- epa epc epe epf epg eph epo epp faa fac fae faf fag fah fao fap fca fcc fce fcf fcg fco fcp fea fec fee fef feg feh feo fep ffa ffc ffe fff ffg ffh ffo ffp fga fgc fge fgf fgg fgh fgp fha fhc fhe fhf fhg fhh fho fhp foa foc foe fof fog foh foo fop fpa fpc fpe fpg fph fpo fpp g-p gaa gac gae gaf gag gah gao gap gca gcc gce gcf gcg gch gco gcp ge- gea gec gee gef geg geh geo gep gfa gfc gfe gff gfh gfo gfp gga ggc ggg ggh ggo ggp gha ghc ghe ghg ghh gho ghp goa goc goe gof gog goh goo gop gpa gpc gpe gpf gpg gph gpo gpp haa hac hae haf hag hah hao hap hca hcc hce hcf hcg hch hco hcp he- hea hec hee hef heg heh heo hep hfa hfc hfe hff hfg hfh hfo hfp hga hgc hge hgf hgg hgh hgo hgp hha hhc hhe hhf hhg hhh hho hhp hoa hoc hoe hof hog hoh hoo hop hpa hpc hpe hpf hpg hph hpo hpp oaa oac oae oaf oag oah oao oap oc- oca occ ocf ocg och oco ocp oea oec oee oef oeg oeh oeo oep of- ofa ofc ofe off ofg ofo ofp oga ogc oge ogf ogg ogh ogo ogp oha ohc ohe ohf ohg ohh oho ohp oo- ooa ooc oof oog ooh ooo oop op- opa opc ope opf opg oph opo opp p-p paa pac pae paf pag pah pao pap pca pcc pce pcf pcg pch pco pcp pea pec pee pef peg peh peo pep pfa pfc pfe pff pfg pfo pfp pga pgc pge pgf pgg pgh pgo pgp pha phc phe phf phg pho php poa poc poe pof pog poh poo pop ppa ppc ppe ppf ppg pph ppo ppp