a-a a-c aaa aac aae aag aan aao aas aau ac- aca acc ace acg acn aco acs acu aea aec aee aeg aen aeo aes aeu ag- aga agc age agg agn ago ags agu an- ana anc ane ang ann ano ans anu aoa aoc aoe aog aon aoo aos aou as- asa asc ase asg asn aso ass asu au- aua auc aue aug aun auo aus c-- caa cac cae cag can cao cas cau cca ccc cce ccg ccn cco ccs ccu ce- cea cec cee ceg cen ceo ces ceu cga cgc cge cgg cgn cgo cgs cgu cn- cna cnc cne cng cnn cno cns cnu co- coa coc coe cog con coo cos cou csa csc cse csg csn cso css csu cua cuc cue cug cun cuo cus cuu eaa eac eae eag ean eao eas eau ec- eca ecc ece ecg ecn eco ecs ecu eea eec eee eeg een eeo ees ega egc ege egg egn ego egs egu en- ena enc ene eng enn eno ens enu eo- eoa eoc eoe eog eon eoo eos eou es- esa esc ese esg esn eso ess esu eu- eua euc eue eug eun eus gaa gac gae gag gan gao gas gau gca gcc gce gcg gcn gco gcs gcu ge- gea gec gee geg gen geo ges geu gga ggc ggg ggn ggo ggs ggu gna gnc gne gnn gno gns gnu goa goc goe gog gon goo gos gou gsa gsc gse gsg gsn gso gss gsu gu- gua guc gue gug gun guo gus guu naa nac nae nag nan nao nas nau nca ncc nce ncg ncn nco ncs ncu ne- nea nec nee neg nen neo nes neu nga ngc nge ngg ngn ngo ngs ngu nna nnc nne nng nnn nno nns nnu no- noa noc noe nog non noo nos nou nsa nsc nse nsg nsn nso nss nsu nua nuc nue nug nun nuo nus nuu oaa oac oae oag oan oao oas oau oc- oca occ ocg ocn oco ocs ocu oea oec oee oeg oen oeo oes oga ogc oge ogg ogn ogo ogs on- ona onc one ong onn ono ons onu oo- ooa ooc oog oon ooo oos os- osa osc ose osg osn oso oss osu ou- oua ouc oue oun ouo ous saa sac sae sag san sao sas sau sca scc sce scg scn sco scs scu se- sea sec see seg sen seo ses seu sga sgc sge sgg sgn sgo sgs sgu sna snc sne sng snn sno sns snu soa soc soe sog son soo sos sou ss- ssa ssc sse ssg ssn sso sss ssu sua suc sue sug sun suo sus suu ua- uaa uac uae uag uan uao uas uau uca ucc uce ucg ucn uco ucs ucu uea uec uee ueg uen ues uga ugc uge ugg ugn ugo ugs ugu un- una unc une ung unn uno uns unu uoa uoc uoe uog uon uoo uos usa usc use usg usn uso uss usu uua uuc uue uug uun uus uuu