-er a-a a-i aaa aae aag aai aan aar aas aau aax aea aee aeg aei aen aer aes aeu aex ag- aga age agg agi agn agr ags agu agx ai- aia aie aig aii ain air ais aiu aix an- ana ane ang ani ann anr ans anu anx ar- ara are arg ari arn arr ars aru arx as- asa ase asg asi asn asr ass asu asx au- aua aue aug aui aun aur aus aux ax- axa axe axi axn axr axs axx eaa eae eag eai ean ear eas eau eax eea eee eeg een eer ees eex ega ege egg egi egn egr egs egu egx eia eie eig eii ein eir eis eiu eix en- ena ene eng eni enn enr ens enu era ere erg eri ern err ers eru es- esa ese esg esi esn esr ess esu esx eu- eua eue eug eui eun eur eus eux ex- exa exe exi exr exs exu exx gaa gae gag gai gan gar gas gau ge- gea gee geg gei gen ger ges geu gex gga ggg ggi ggn ggr ggs ggu gia gie gig gii gin gir gis giu gna gne gni gnn gnr gns gnu gra gre grg gri grn grr grs gru grx gsa gse gsg gsi gsn gsr gss gsu gsx gu- gua gue gug gui gun gur gus guu gxa gxs ia- iaa iae iag iai ian iar ias iau ie- iea iee ieg iei ien ier ies iex iga ige igg igi ign igr igs igu iia iie iii iin iir iis iiu iix in- ina ine ing ini inn inr ins inu inx ir- ira ire irg iri irn irr irs iru irx is- isa ise isg isi isn isr iss isu iu- iua iue iug iui iur ius ixe ixi ixn n-i naa nae nag nai nan nar nas nau nax ne- nea nee neg nei nen ner nes neu nex nga nge ngg ngi ngn ngs ngu nia nie nig nii nin nir nis niu nix nna nne nng nni nnn nns nnu nra nre nrg nri nrn nrr nrs nru nrx nsa nse nsg nsi nsn nsr nss nsu nsx nua nue nug nui nun nur nus nuu nux ra- raa rae rag rai ran rar ras rau rax re- rea ree reg rei ren rer res reu rex rga rge rgg rgi rgn rgr rgs rgx ria rie rig rii rin rir ris rix rna rng rni rnn rnr rns rnu rra rrg rri rrn rrr rrs rru rsa rse rsg rsi rsn rsr rss rsu rsx rua rue rug rui run rur rus ruu rux rxr rxs saa sae sag sai san sar sas sau sax se- sea see seg sei sen ser ses seu sex sga sge sgg sgi sgn sgr sgs sgu sgx sia sie sig sii sin sir sis siu six sna sne sng sni snn snr sns snu sr- sra sre srg sri srn srr srs srx ss- ssa sse ssg ssi ssn ssr sss ssu ssx sua sue sug sui sun sur sus suu sux sxi sxn sxs sxu ua- uaa uae uag uai uan uar uas uau uea uee ueg uei uen uer ues uga uge ugg ugi ugn ugr ugs ugu ugx uia uie uig uii uin uir uis uiu un- una une ung uni unn unr uns unu unx ur- ura ure urg uri urn urr urs uru urx usa use usg usi usn usr uss usu usx uua uue uug uun uur uus uuu uxr uxu xaa xag xan xar xas xau xee xeg xen xer xes xeu xex xge xgi xia xie xii xin xis xiu xix xna xns xnu xrx xsa xsi xss xue xui xun xus xxi xxx