-al -ol a-a a-c a-t aaa aac aae aag aal aan aao aap aas aat ac- aca acc ace acg acl acn aco acp acs act aea aec aee aeg ael aen aeo aep aes aet ag- aga agc age agg agl agn ago agp ags agt al- ala alc ale alg all aln alo alp als alt an- ana anc ane ang anl ann ano anp ans ant aoa aoc aoe aog aol aon aoo aop aos aot ap- apa apc ape apg apl apn apo app aps apt as- asa asc ase asg asl asn aso asp ass ast at- ata atc ate atg atl atn ato atp ats att c-- caa cac cae cag cal can cao cap cas cat cca ccc cce ccg ccl ccn cco ccp ccs cct ce- cea cec cee ceg cel cen ceo cep ces cet cga cgc cge cgg cgl cgn cgo cgp cgs cgt cl- cla clc cle clg cll cln clo clp cls clt cn- cna cnc cne cng cnl cnn cno cnp cns cnt co- coa coc coe cog col con coo cop cos cot cpa cpc cpe cpg cpl cpn cpo cpp cps cpt csa csc cse csg csl csn cso csp css cst cta ctc cte ctg ctl ctn cto ctp cts ctt eaa eac eae eag eal ean eao eap eas eat ec- eca ecc ece ecg ecl ecn eco ecs ect eea eec eee eeg eel een eeo eep ees eet ega egc ege egg egl egn ego egp egs egt ela elc ele elg ell eln elo elp els elt en- ena enc ene eng enl enn eno enp ens ent eo- eoa eoc eoe eog eol eon eoo eop eos eot ep- epa epc epe epg epl epn epo epp eps ept es- esa esc ese esg esl esn eso esp ess est eta etc ete etg etl etn eto etp ets ett g-p gaa gac gae gag gal gan gao gap gas gat gca gcc gce gcg gcl gcn gco gcp gcs gct ge- gea gec gee geg gel gen geo gep ges get gga ggc ggg ggn ggo ggp ggs ggt gla glc gle glg gll gln glo glp gls glt gna gnc gne gnl gnn gno gnp gns gnt goa goc goe gog gol gon goo gop gos got gpa gpc gpe gpg gpl gpn gpo gpp gps gpt gsa gsc gse gsg gsl gsn gso gsp gss gst gta gtc gte gtg gtl gtn gto gtp gts gtt l-p la- laa lac lae lag lal lan lao lap las lat lca lcc lce lcg lcl lcn lco lcp lcs lct lea lec lee leg lel len leo lep les let lga lgc lge lgg lgl lgn lgo lgp lgs lgt lla llc lle llg lll lln llo llp lls llt lna lnc lne lng lnl lnn lno lnp lns lnt loa loc loe log lol lon loo lop los lot lpa lpc lpe lpg lpl lpn lpo lpp lps lpt lsa lsc lse lsg lsl lsn lso lsp lss lst lta ltc lte ltg ltl lto ltp lts ltt naa nac nae nag nal nan nao nap nas nat nca ncc nce ncg ncl ncn nco ncp ncs nct ne- nea nec nee neg nel nen neo nep nes net nga ngc nge ngg ngl ngn ngo ngp ngs ngt nla nlc nle nlg nll nln nlo nlp nls nlt nna nnc nne nng nnl nnn nno nnp nns nnt no- noa noc noe nog nol non noo nop nos not npa npc npe npg npl npn npo npp nps npt nsa nsc nse nsg nsl nsn nso nsp nss nst nta ntc nte ntg ntn nto ntp nts ntt oaa oac oae oag oal oan oao oap oas oat oc- oca occ ocg ocl ocn oco ocp ocs oct oea oec oee oeg oel oen oeo oep oes oet oga ogc oge ogg ogl ogn ogo ogp ogs ogt ola olc ole olg oll oln olo olp ols olt on- ona onc one ong onl onn ono onp ons ont oo- ooa ooc oog ool oon ooo oop oos oot op- opa opc ope opg opl opn opo opp ops opt os- osa osc ose osg osl osn oso osp oss ost ot- ota otc ote otg otl otn oto otp ots ott p-p paa pac pae pag pal pan pao pap pas pat pca pcc pce pcg pcl pcn pco pcp pcs pct pea pec pee peg pel pen peo pep pes pet pga pgc pge pgg pgl pgn pgo pgp pgs pgt pla plc ple plg pll pln plo plp pls plt pn- pna pnc pne png pnl pnn pno pnp pns pnt poa poc poe pog pol pon poo pop pos pot ppa ppc ppe ppg ppl ppn ppo ppp pps ppt ps- psa psc pse psg psl psn pso psp pss pst pt- pta ptc pte ptg ptl ptn pto ptp pts ptt saa sac sae sag sal san sao sap sas sat sca scc sce scg scl scn sco scp scs sct se- sea sec see seg sel sen seo sep ses set sga sgc sge sgg sgl sgn sgo sgp sgs sgt sla slc sle slg sll sln slo slp sls slt sna snc sne sng snl snn sno snp sns snt soa soc soe sog sol son soo sop sos sot spa spc spe spg spl spn spo spp sps spt ss- ssa ssc sse ssg ssl ssn sso ssp sss sst sta stc ste stg stl stn sto stp sts stt taa tac tae tag tal tan tao tap tas tat tca tcc tce tcg tcl tcn tco tcp tcs tct te- tea tec tee teg tel ten teo tep tes tet tga tgc tge tgg tgl tgn tgo tgp tgs tgt tla tlc tle tlg tll tln tlo tlp tls tlt tna tnc tne tng tnl tnn tno tnp tns tnt to- toa toc toe tog tol ton