-al -ic -ol a-a a-c a-i a-t aaa aac aag aai aal aan aao aas aat aax ac- aca acc acg aci acl acn aco acs act acx ag- aga agc agg agi agl agn ago ags agt agx ai- aia aic aig aii ail ain aio ais ait aix al- ala alc alg ali all aln alo als alt alx an- ana anc ang ani anl ann ano ans ant anx aoa aoc aog aoi aol aon aoo aos aot aox as- asa asc asg asi asl asn aso ass ast asx at- ata atc atg ati atl atn ato ats att atx ax- axa axi axl axn axo axs axt axx c-- caa cac cag cai cal can cao cas cat cax cca ccc ccg cci ccl ccn cco ccs cct ccx cga cgc cgg cgi cgl cgn cgo cgs cgt ci- cia cic cig cii cil cin cio cis cit cix cl- cla clc clg cli cll cln clo cls clt clx cn- cna cnc cng cni cnl cnn cno cns cnt cnx co- coa coc cog coi col con coo cos cot cox csa csc csg csi csl csn cso css cst csx cta ctc ctg cti ctl ctn cto cts ctt ctx cxc cxi cxl cxo cxs cxt cxx gaa gac gag gai gal gan gao gas gat gca gcc gcg gci gcl gcn gco gcs gct gga ggc ggg ggi ggn ggo ggs ggt gia gic gig gii gil gin gio gis git gla glc glg gli gll gln glo gls glt glx gna gnc gni gnl gnn gno gns gnt goa goc gog goi gol gon goo gos got gox gsa gsc gsg gsi gsl gsn gso gss gst gsx gta gtc gtg gti gtl gtn gto gts gtt gtx gxa gxl gxs gxt ia- iaa iac iag iai ial ian iao ias iat ica icc icg ici icl icn ico ics ict iga igc igg igi igl ign igo igs igt iia iic iii iil iin iio iis iit iix il- ila ilc ilg ili ill iln ilo ils ilt ilx in- ina inc ing ini inl inn ino ins int inx io- ioa ioc iog ioi iol ion ioo ios iot is- isa isc isg isi isl isn iso iss ist ita itc itg iti itl itn ito its itt itx ixc ixi ixl ixn la- laa lac lag lai lal lan lao las lat lax lca lcc lcg lci lcl lcn lco lcs lct lcx lga lgc lgg lgi lgl lgn lgo lgs lgt lia lic lig lii lil lin lio lis lit lix lla llc llg lli lll lln llo lls llt lna lnc lng lni lnl lnn lno lns lnt loa loc log loi lol lon loo los lot lox lsa lsc lsg lsi lsl lsn lso lss lst lta ltc ltg lti ltl lto lts ltt ltx lxc lxi lxo lxx n-i naa nac nag nai nal nan nao nas nat nax nca ncc ncg nci ncl ncn nco ncs nct ncx nga ngc ngg ngi ngl ngn ngo ngs ngt nia nic nig nii nil nin nio nis nit nix nla nlc nlg nli nll nln nlo nls nlt nlx nna nnc nng nni nnl nnn nno nns nnt no- noa noc nog noi nol non noo nos not nox nsa nsc nsg nsi nsl nsn nso nss nst nsx nta ntc ntg nti ntn nto nts ntt ntx nxc nxl nxt o-i oaa oac oag oai oal oan oao oas oat oax oc- oca occ ocg oci ocl ocn oco ocs oct ocx oga ogc ogg ogi ogl ogn ogo ogs ogt ogx oia oic oii oil oin oio ois oit ola olc olg oli oll oln olo ols olt on- ona onc ong oni onl onn ono ons ont onx oo- ooa ooc oog ooi ool oon ooo oos oot oox os- osa osc osg osi osl osn oso oss ost osx ot- ota otc otg oti otl otn oto ots ott ox- oxa oxc oxi oxn oxo oxt oxx saa sac sag sai sal san sao sas sat sax sca scc scg sci scl scn sco scs sct scx sga sgc sgg sgi sgl sgn sgo sgs sgt sgx sia sic sig sii sil sin sio sis sit six sla slc slg sli sll sln slo sls slt slx sna snc sng sni snl snn sno sns snt soa soc sog soi sol son soo sos sot sox ss- ssa ssc ssg ssi ssl ssn sso sss sst ssx sta stc stg sti stl stn sto sts stt stx sxc sxi sxl sxn sxs sxt t-x taa tac tag tai tal tan tao tas tat tax tca tcc tcg tci tcl tcn tco tcs tct tcx tga tgc tgg tgi tgl tgn tgo tgs tgt tia tic tig tii til tin tio tis tit tix tla tlc tlg tli tll tln tlo tls tlt tlx tna tnc tng tni tnl tnn tno tns tnt tnx to- toa toc tog toi tol ton too tos tot tox tsa tsc tsg tsi tsl tsn tso tss tst tsx tta ttc ttg tti ttl ttn tto tts ttt ttx txi txl txn txs txt xaa xac xag xal xan xas xat xci xcl xcx xgi xgl xia xic xii xin xio xis xit xix xla xlg xli xls xlt xna xnc xno xns xoa xoc xog xoi xon xoo xos xot xox xsa xsc xsi xsl xss xst xtc xti xts xtx xxi xxl xxo xxx