a-a a-c a-t aaa aac aae aaf aag aan aao aap aas aat ac- aca acc ace acf acg acn aco acp acs act aea aec aee aef aeg aen aeo aep aes aet af- afa afc afe aff afg afn afo afp afs aft ag- aga agc age agf agg agn ago agp ags agt an- ana anc ane anf ang ann ano anp ans ant aoa aoc aoe aof aog aon aoo aop aos aot ap- apa apc ape apf apg apn apo app aps apt as- asa asc ase asf asg asn aso asp ass ast at- ata atc ate atf atg atn ato atp ats att c-- caa cac cae caf cag can cao cap cas cat cca ccc cce ccf ccg ccn cco ccp ccs cct ce- cea cec cee cef ceg cen ceo cep ces cet cfa cfc cfe cff cfg cfn cfo cfp cfs cft cga cgc cge cgg cgn cgo cgp cgs cgt cn- cna cnc cne cnf cng cnn cno cnp cns cnt co- coa coc coe cof cog con coo cop cos cot cpa cpc cpe cpf cpg cpn cpo cpp cps cpt csa csc cse csf csg csn cso csp css cst cta ctc cte ctf ctg ctn cto ctp cts ctt eaa eac eae eaf eag ean eao eap eas eat ec- eca ecc ece ecf ecg ecn eco ecs ect eea eec eee eef eeg een eeo eep ees eet ef- efa efc efe eff efg efo efp efs eft ega egc ege egf egg egn ego egp egs egt en- ena enc ene enf eng enn eno enp ens ent eo- eoa eoc eoe eof eog eon eoo eop eos eot ep- epa epc epe epf epg epn epo epp eps ept es- esa esc ese esf esg esn eso esp ess est eta etc ete etf etg etn eto etp ets ett faa fac fae faf fag fan fao fap fas fat fca fcc fce fcf fcg fcn fco fcp fcs fct fea fec fee fef feg fen feo fep fes fet ffa ffc ffe fff ffg ffn ffo ffp ffs fft fga fgc fge fgf fgg fgn fgp fgs fgt fna fnc fne fnf fng fnn fnp fns fnt foa foc foe fof fog fon foo fop fos fot fpa fpc fpe fpg fpn fpo fpp fps fpt fsa fsc fse fsf fsg fsn fso fsp fss fst fta ftc fte ftf ftg ftn fto ftp fts ftt g-p gaa gac gae gaf gag gan gao gap gas gat gca gcc gce gcf gcg gcn gco gcp gcs gct ge- gea gec gee gef geg gen geo gep ges get gfa gfc gfe gff gfo gfp gfs gft gga ggc ggg ggn ggo ggp ggs ggt gna gnc gne gnf gnn gno gnp gns gnt goa goc goe gof gog gon goo gop gos got gpa gpc gpe gpf gpg gpn gpo gpp gps gpt gsa gsc gse gsf gsg gsn gso gsp gss gst gta gtc gte gtf gtg gtn gto gtp gts gtt naa nac nae naf nag nan nao nap nas nat nca ncc nce ncf ncg ncn nco ncp ncs nct ne- nea nec nee nef neg nen neo nep nes net nfa nfc nfe nff nfn nfo nfp nfs nft nga ngc nge ngf ngg ngn ngo ngp ngs ngt nna nnc nne nnf nng nnn nno nnp nns nnt no- noa noc noe nof nog non noo nop nos not npa npc npe npf npg npn npo npp nps npt nsa nsc nse nsf nsg nsn nso nsp nss nst nta ntc nte ntf ntg ntn nto ntp nts ntt oaa oac oae oaf oag oan oao oap oas oat oc- oca occ ocf ocg ocn oco ocp ocs oct oea oec oee oef oeg oen oeo oep oes oet of- ofa ofc ofe off ofg ofn ofo ofp ofs oft oga ogc oge ogf ogg ogn ogo ogp ogs ogt on- ona onc one onf ong onn ono onp ons ont oo- ooa ooc oof oog oon ooo oop oos oot op- opa opc ope opf opg opn opo opp ops opt os- osa osc ose osf osg osn oso osp oss ost ot- ota otc ote otf otg otn oto otp ots ott p-p paa pac pae paf pag pan pao pap pas pat pca pcc pce pcf pcg pcn pco pcp pcs pct pea pec pee pef peg pen peo pep pes pet pfa pfc pfe pff pfg pfn pfo pfp pfs pft pga pgc pge pgf pgg pgn pgo pgp pgs pgt pn- pna pnc pne pnf png pnn pno pnp pns pnt poa poc poe pof pog pon poo pop pos pot ppa ppc ppe ppf ppg ppn ppo ppp pps ppt ps- psa psc pse psf psg psn pso psp pss pst pt- pta ptc pte ptf ptg ptn pto ptp pts ptt saa sac sae saf sag san sao sap sas sat sca scc sce scf scg scn sco scp scs sct se- sea sec see sef seg sen seo sep ses set sfa sfc sfe sff sfg sfn sfo sfp sfs sft sga sgc sge sgf sgg sgn sgo sgp sgs sgt sna snc sne snf sng snn sno snp sns snt soa soc soe sof sog son soo sop sos sot spa spc spe spf spg spn spo spp sps spt ss- ssa ssc sse ssf ssg ssn sso ssp sss sst sta stc ste stf stg stn sto stp sts stt taa tac tae taf tag tan tao tap tas tat tca tcc tce tcf tcg tcn tco tcp tcs tct te- tea tec tee tef teg ten teo tep tes tet tfa tfc tfe tff tfg tfn tfo tfp tfs tft tga tgc tge tgf tgg tgn tgo tgp tgs tgt tna tnc tne tnf tng tnn tno tnp tns tnt to- toa toc toe tof tog ton too top tos tot tpa tpc tpe tpf tpg