-al -ic a-a a-c a-i a-t aaa aac aae aag aai aal aan aap aat aax ac- aca acc ace acg aci acl acn acp act acx aea aec aee aeg aei ael aen aep aet aex ag- aga agc age agg agi agl agn agp agt agx ai- aia aic aie aig aii ail ain aip ait aix al- ala alc ale alg ali all aln alp alt alx an- ana anc ane ang ani anl ann anp ant anx ap- apa apc ape apg api apl apn app apt apx at- ata atc ate atg ati atl atn atp att atx ax- axa axe axi axl axn axp axt axx c-- caa cac cae cag cai cal can cap cat cax cca ccc cce ccg cci ccl ccn ccp cct ccx ce- cea cec cee ceg cei cel cen cep cet cex cga cgc cge cgg cgi cgl cgn cgp cgt ci- cia cic cie cig cii cil cin cip cit cix cl- cla clc cle clg cli cll cln clp clt clx cn- cna cnc cne cng cni cnl cnn cnp cnt cnx cpa cpc cpe cpg cpi cpl cpn cpp cpt cpx cta ctc cte ctg cti ctl ctn ctp ctt ctx cxc cxi cxl cxp cxt cxx eaa eac eae eag eai eal ean eap eat eax ec- eca ecc ece ecg eci ecl ecn ect ecx eea eec eee eeg eel een eep eet eex ega egc ege egg egi egl egn egp egt egx eia eic eie eig eii eil ein eip eit eix ela elc ele elg eli ell eln elp elt elx en- ena enc ene eng eni enl enn enp ent ep- epa epc epe epg epi epl epn epp ept epx eta etc ete etg eti etl etn etp ett etx ex- exa exc exe exi exl exp ext exx g-p gaa gac gae gag gai gal gan gap gat gca gcc gce gcg gci gcl gcn gcp gct ge- gea gec gee geg gei gel gen gep get gex gga ggc ggg ggi ggn ggp ggt gia gic gie gig gii gil gin gip git gla glc gle glg gli gll gln glp glt glx gna gnc gne gni gnl gnn gnp gnt gpa gpc gpe gpg gpi gpl gpn gpp gpt gpx gta gtc gte gtg gti gtl gtn gtp gtt gtx gxa gxl gxp gxt ia- iaa iac iae iag iai ial ian iap iat ica icc ice icg ici icl icn icp ict ie- iea iec iee ieg iei iel ien iep iet iex iga igc ige igg igi igl ign igp igt iia iic iie iii iil iin iip iit iix il- ila ilc ile ilg ili ill iln ilp ilt ilx in- ina inc ine ing ini inl inn inp int inx ipa ipc ipe ipg ipi ipl ipn ipp ipt ipx ita itc ite itg iti itl itn itp itt itx ixc ixe ixi ixl ixn l-p la- laa lac lae lag lai lal lan lap lat lax lca lcc lce lcg lci lcl lcn lcp lct lcx lea lec lee leg lei lel len lep let lex lga lgc lge lgg lgi lgl lgn lgp lgt lia lic lie lig lii lil lin lip lit lix lla llc lle llg lli lll lln llp llt lna lnc lne lng lni lnl lnn lnp lnt lpa lpc lpe lpg lpi lpl lpn lpp lpt lpx lta ltc lte ltg lti ltl ltp ltt ltx lxc lxi lxx n-i naa nac nae nag nai nal nan nap nat nax nca ncc nce ncg nci ncl ncn ncp nct ncx ne- nea nec nee neg nei nel nen nep net nex nga ngc nge ngg ngi ngl ngn ngp ngt nia nic nie nig nii nil nin nip nit nix nla nlc nle nlg nli nll nln nlp nlt nlx nna nnc nne nng nni nnl nnn nnp nnt npa npc npe npg npi npl npn npp npt nta ntc nte ntg nti ntn ntp ntt ntx nxc nxl nxt p-p paa pac pae pag pai pal pan pap pat pax pca pcc pce pcg pci pcl pcn pcp pct pcx pea pec pee peg pei pel pen pep pet pex pga pgc pge pgg pgi pgl pgn pgp pgt pia pic pie pig pii pil pin pip pit pix pla plc ple plg pli pll pln plp plt plx pn- pna pnc pne png pni pnl pnn pnp pnt pnx ppa ppc ppe ppg ppi ppl ppn ppp ppt ppx pt- pta ptc pte ptg pti ptl ptn ptp ptt ptx pxc pxe pxg pxl pxt t-x taa tac tae tag tai tal tan tap tat tax tca tcc tce tcg tci tcl tcn tcp tct tcx te- tea tec tee teg tei tel ten tep tet tex tga tgc tge tgg tgi tgl tgn tgp tgt tia tic tie tig tii til tin tip tit tix tla tlc tle tlg tli tll tln tlp tlt tlx tna tnc tne tng tni tnl tnn tnp tnt tnx tpa tpc tpe tpg tpi tpl tpn tpp tpt tpx tta ttc tte ttg tti ttl ttn ttp ttt ttx txe txi txl txn txt xaa xac xag xal xan xap xat xci xcl xcp xcx xee xeg xel xen xep xet xex xge xgi xgl xgp xia xic xie xii xin xit xix xla xlg xli xlt xna xnc xpa xpc xpe xpg xpl xpn xpp xpt xtc xti xtp xtx xxi xxl xxp xxx