-al -ol a-a a-c a-t aaa aac aae aag aal aan aao aas aat ac- aca acc ace acg acl acn aco acs act aea aec aee aeg ael aen aeo aes aet ag- aga agc age agg agl agn ago ags agt al- ala alc ale alg all aln alo als alt an- ana anc ane ang anl ann ano ans ant aoa aoc aoe aog aol aon aoo aos aot as- asa asc ase asg asl asn aso ass ast at- ata atc ate atg atl atn ato ats att c-- caa cac cae cag cal can cao cas cat cca ccc cce ccg ccl ccn cco ccs cct ce- cea cec cee ceg cel cen ceo ces cet cga cgc cge cgg cgl cgn cgo cgs cgt cl- cla clc cle clg cll cln clo cls clt cn- cna cnc cne cng cnl cnn cno cns cnt co- coa coc coe cog col con coo cos cot csa csc cse csg csl csn cso css cst cta ctc cte ctg ctl ctn cto cts ctt eaa eac eae eag eal ean eao eas eat ec- eca ecc ece ecg ecl ecn eco ecs ect eea eec eee eeg eel een eeo ees eet ega egc ege egg egl egn ego egs egt ela elc ele elg ell eln elo els elt en- ena enc ene eng enl enn eno ens ent eo- eoa eoc eoe eog eol eon eoo eos eot es- esa esc ese esg esl esn eso ess est eta etc ete etg etl etn eto ets ett gaa gac gae gag gal gan gao gas gat gca gcc gce gcg gcl gcn gco gcs gct ge- gea gec gee geg gel gen geo ges get gga ggc ggg ggn ggo ggs ggt gla glc gle glg gll gln glo gls glt gna gnc gne gnl gnn gno gns gnt goa goc goe gog gol gon goo gos got gsa gsc gse gsg gsl gsn gso gss gst gta gtc gte gtg gtl gtn gto gts gtt la- laa lac lae lag lal lan lao las lat lca lcc lce lcg lcl lcn lco lcs lct lea lec lee leg lel len leo les let lga lgc lge lgg lgl lgn lgo lgs lgt lla llc lle llg lll lln llo lls llt lna lnc lne lng lnl lnn lno lns lnt loa loc loe log lol lon loo los lot lsa lsc lse lsg lsl lsn lso lss lst lta ltc lte ltg ltl lto lts ltt naa nac nae nag nal nan nao nas nat nca ncc nce ncg ncl ncn nco ncs nct ne- nea nec nee neg nel nen neo nes net nga ngc nge ngg ngl ngn ngo ngs ngt nla nlc nle nlg nll nln nlo nls nlt nna nnc nne nng nnl nnn nno nns nnt no- noa noc noe nog nol non noo nos not nsa nsc nse nsg nsl nsn nso nss nst nta ntc nte ntg ntn nto nts ntt oaa oac oae oag oal oan oao oas oat oc- oca occ ocg ocl ocn oco ocs oct oea oec oee oeg oel oen oeo oes oet oga ogc oge ogg ogl ogn ogo ogs ogt ola olc ole olg oll oln olo ols olt on- ona onc one ong onl onn ono ons ont oo- ooa ooc oog ool oon ooo oos oot os- osa osc ose osg osl osn oso oss ost ot- ota otc ote otg otl otn oto ots ott saa sac sae sag sal san sao sas sat sca scc sce scg scl scn sco scs sct se- sea sec see seg sel sen seo ses set sga sgc sge sgg sgl sgn sgo sgs sgt sla slc sle slg sll sln slo sls slt sna snc sne sng snl snn sno sns snt soa soc soe sog sol son soo sos sot ss- ssa ssc sse ssg ssl ssn sso sss sst sta stc ste stg stl stn sto sts stt taa tac tae tag tal tan tao tas tat tca tcc tce tcg tcl tcn tco tcs tct te- tea tec tee teg tel ten teo tes tet tga tgc tge tgg tgl tgn tgo tgs tgt tla tlc tle tlg tll tln tlo tls tlt tna tnc tne tng tnl tnn tno tns tnt to- toa toc toe tog tol ton too tos tot tsa tsc tse tsg tsl tsn tso tss tst tta ttc tte ttg ttl ttn tto tts ttt