a-a a-c aaa aac aad aae aag aan aao aap ac- aca acc acd ace acg acn aco acp ad- ada adc add ade adg adn ado adp aea aec aed aee aeg aen aeo aep ag- aga agc agd age agg agn ago agp an- ana anc and ane ang ann ano anp aoa aoc aod aoe aog aon aoo aop ap- apa apc apd ape apg apn apo app c-- caa cac cad cae cag can cao cap cca ccc ccd cce ccg ccn cco ccp cda cdc cdd cde cdg cdn cdo cdp ce- cea cec ced cee ceg cen ceo cep cga cgc cgd cge cgg cgn cgo cgp cn- cna cnc cnd cne cng cnn cno cnp co- coa coc cod coe cog con coo cop cpa cpc cpd cpe cpg cpn cpo cpp daa dac dad dae dag dan dao dap dca dcc dcd dce dcg dcn dco dcp dda ddc ddd dde ddg ddn ddo ddp de- dea dec ded dee deg den deo dep dga dgc dgd dge dgg dgn dgp dna dnc dnd dne dng dnn dno dnp doa doc dod doe dog don doo dop dpa dpc dpd dpe dpg dpn dpo dpp eaa eac ead eae eag ean eao eap ec- eca ecc ecd ece ecg ecn eco ed- eda edc edd ede edg edn edo edp eea eec eed eee eeg een eeo eep ega egc egd ege egg egn ego egp en- ena enc end ene eng enn eno enp eo- eoa eoc eod eoe eog eon eoo eop ep- epa epc epd epe epg epn epo epp g-d g-p gaa gac gad gae gag gan gao gap gca gcc gcd gce gcg gcn gco gcp gda gdc gdd gde gdn gdo gdp ge- gea gec ged gee geg gen geo gep gga ggc ggd ggg ggn ggo ggp gna gnc gnd gne gnn gno gnp goa goc god goe gog gon goo gop gpa gpc gpd gpe gpg gpn gpo gpp naa nac nad nae nag nan nao nap nca ncc ncd nce ncg ncn nco ncp nda ndc ndd nde ndg ndn ndo ndp ne- nea nec ned nee neg nen neo nep nga ngc ngd nge ngg ngn ngo ngp nna nnc nne nng nnn nno nnp no- noa noc nod noe nog non noo nop npa npc npd npe npg npn npo npp oaa oac oad oae oag oan oao oap oc- oca occ ocd ocg ocn oco ocp oda odc odd ode odg odn odo odp oea oec oed oee oeg oen oeo oep oga ogc ogd oge ogg ogn ogo ogp on- ona onc ond one ong onn ono onp oo- ooa ooc ood oog oon ooo oop op- opa opc opd ope opg opn opo opp p-p paa pac pad pae pag pan pao pap pca pcc pcd pce pcg pcn pco pcp pda pdc pdd pde pdg pdn pdo pdp pea pec ped pee peg pen peo pep pga pgc pgd pge pgg pgn pgo pgp pn- pna pnc pnd pne png pnn pno pnp poa poc pod poe pog pon poo pop ppa ppc ppd ppe ppg ppn ppo ppp