-er a-a aaa aae aag aak aan aar aas aau aea aee aeg aek aen aer aes aeu ag- aga age agg agk agn agr ags agu aka ake akg akk akn akr aks aku an- ana ane ang ank ann anr ans anu ar- ara are arg ark arn arr ars aru as- asa ase asg ask asn asr ass asu au- aua aue aug auk aun aur aus eaa eae eag eak ean ear eas eau eea eee eeg eek een eer ees ega ege egg egn egr egs egu eka eke ekg ekr eks eku en- ena ene eng enk enn enr ens enu era ere erg erk ern err ers eru es- esa ese esg esk esn esr ess esu eu- eua eue eug eun eur eus gaa gae gag gak gan gar gas gau ge- gea gee geg gek gen ger ges geu gga ggg ggn ggr ggs ggu gka gkn gks gna gne gnn gnr gns gnu gra gre grg grk grn grr grs gru gsa gse gsg gsk gsn gsr gss gsu gu- gua gue gug guk gun gur gus guu ka- kaa kae kag kak kan kar kas kau ke- kea kee keg kek ken ker kes kga kgs kgu kke kkk kkn kkr kks kku kn- kna kne kng knk knn knr knu kra krg krk krn krr krs kru ksa kse ksg ksk ksn ksr kss ksu kue kug kuk kun kur kus kuu naa nae nag nak nan nar nas nau ne- nea nee neg nek nen ner nes neu nga nge ngg ngk ngn ngs ngu nka nke nkk nkn nkr nks nku nna nne nng nnk nnn nns nnu nra nre nrg nrk nrn nrr nrs nru nsa nse nsg nsk nsn nsr nss nsu nua nue nug nuk nun nur nus nuu ra- raa rae rag rak ran rar ras rau re- rea ree reg rek ren rer res reu rga rge rgg rgk rgn rgr rgs rke rkg rkk rks rku rna rng rnn rnr rns rnu rra rrg rrk rrn rrr rrs rru rsa rse rsg rsk rsn rsr rss rsu rua rue rug ruk run rur rus ruu saa sae sag sak san sar sas sau se- sea see seg sek sen ser ses seu sga sge sgg sgk sgn sgr sgs sgu sk- ska ske skg skk skr sks sku sna sne sng snk snn snr sns snu sr- sra sre srg srk srn srr srs ss- ssa sse ssg ssk ssn ssr sss ssu sua sue sug suk sun sur sus suu ua- uaa uae uag uak uan uar uas uau uea uee ueg uen uer ues uga uge ugg ugk ugn ugr ugs ugu uka uke ukk ukn ukr uku un- una une ung unk unn unr uns unu ur- ura ure urg urk urn urr urs uru usa use usg usk usn usr uss usu uua uue uug uun uur uus uuu