-er -ic a-a a-c a-i aaa aac aae aag aai aan aar aas aau ac- aca acc ace acg aci acn acr acs acu aea aec aee aeg aei aen aer aes aeu ag- aga agc age agg agi agn agr ags agu ai- aia aic aie aig aii ain air ais aiu an- ana anc ane ang ani ann anr ans anu ar- ara arc are arg ari arn arr ars aru as- asa asc ase asg asi asn asr ass asu au- aua auc aue aug aui aun aur aus c-- caa cac cae cag cai can car cas cau cca ccc cce ccg cci ccn ccr ccs ccu ce- cea cec cee ceg cei cen cer ces ceu cga cgc cge cgg cgi cgn cgr cgs cgu ci- cia cic cie cig cii cin cir cis ciu cn- cna cnc cne cng cni cnn cnr cns cnu cra crc cre crg cri crn crr crs cru csa csc cse csg csi csn csr css csu cua cuc cue cug cui cun cur cus cuu eaa eac eae eag eai ean ear eas eau ec- eca ecc ece ecg eci ecn ecr ecs ecu eea eec eee eeg een eer ees ega egc ege egg egi egn egr egs egu eia eic eie eig eii ein eir eis eiu en- ena enc ene eng eni enn enr ens enu era erc ere erg eri ern err ers eru es- esa esc ese esg esi esn esr ess esu eu- eua euc eue eug eui eun eur eus gaa gac gae gag gai gan gar gas gau gca gcc gce gcg gci gcn gcr gcs gcu ge- gea gec gee geg gei gen ger ges geu gga ggc ggg ggi ggn ggr ggs ggu gia gic gie gig gii gin gir gis giu gna gnc gne gni gnn gnr gns gnu gra grc gre grg gri grn grr grs gru gsa gsc gse gsg gsi gsn gsr gss gsu gu- gua guc gue gug gui gun gur gus guu ia- iaa iac iae iag iai ian iar ias iau ica icc ice icg ici icn icr ics icu ie- iea iec iee ieg iei ien ier ies iga igc ige igg igi ign igr igs igu iia iic iie iii iin iir iis iiu in- ina inc ine ing ini inn inr ins inu ir- ira irc ire irg iri irn irr irs iru is- isa isc ise isg isi isn isr iss isu iu- iua iuc iue iug iui iur ius n-i naa nac nae nag nai nan nar nas nau nca ncc nce ncg nci ncn ncr ncs ncu ne- nea nec nee neg nei nen ner nes neu nga ngc nge ngg ngi ngn ngs ngu nia nic nie nig nii nin nir nis niu nna nnc nne nng nni nnn nns nnu nra nrc nre nrg nri nrn nrr nrs nru nsa nsc nse nsg nsi nsn nsr nss nsu nua nuc nue nug nui nun nur nus nuu ra- raa rac rae rag rai ran rar ras rau rca rcc rce rcg rci rcn rcr rcs rcu re- rea rec ree reg rei ren rer res reu rga rgc rge rgg rgi rgn rgr rgs ria ric rie rig rii rin rir ris rna rnc rng rni rnn rnr rns rnu rra rrc rrg rri rrn rrr rrs rru rsa rsc rse rsg rsi rsn rsr rss rsu rua ruc rue rug rui run rur rus ruu saa sac sae sag sai san sar sas sau sca scc sce scg sci scn scr scs scu se- sea sec see seg sei sen ser ses seu sga sgc sge sgg sgi sgn sgr sgs sgu sia sic sie sig sii sin sir sis siu sna snc sne sng sni snn snr sns snu sr- sra src sre srg sri srn srr srs ss- ssa ssc sse ssg ssi ssn ssr sss ssu sua suc sue sug sui sun sur sus suu ua- uaa uac uae uag uai uan uar uas uau uca ucc uce ucg uci ucn ucr ucs ucu uea uec uee ueg uei uen uer ues uga ugc uge ugg ugi ugn ugr ugs ugu uia uic uie uig uii uin uir uis uiu un- una unc une ung uni unn unr uns unu ur- ura urc ure urg uri urn urr urs uru usa usc use usg usi usn usr uss usu uua uuc uue uug uun uur uus uuu