-er a-a a-t aaa aae aag aak aar aas aat aau aea aee aeg aek aer aes aet aeu ag- aga age agg agk agr ags agt agu aka ake akg akk akr aks aku ar- ara are arg ark arr ars art aru as- asa ase asg ask asr ass ast asu at- ata ate atg atr ats att atu au- aua aue aug auk aur aus aut eaa eae eag eak ear eas eat eau eea eee eeg eek eer ees eet ega ege egg egr egs egt egu eka eke ekg ekr eks ekt eku era ere erg erk err ers ert eru es- esa ese esg esk esr ess est esu eta ete etg etk etr ets ett etu eu- eua eue eug eur eus eut gaa gae gag gak gar gas gat gau ge- gea gee geg gek ger ges get geu gga ggg ggr ggs ggt ggu gka gks gkt gra gre grg grk grr grs grt gru gsa gse gsg gsk gsr gss gst gsu gta gte gtg gtk gtr gts gtt gtu gu- gua gue gug guk gur gus gut guu k-t ka- kaa kae kag kak kar kas kat kau ke- kea kee keg kek ker kes ket kga kgs kgu kke kkk kkr kks kkt kku kra krg krk krr krs krt kru ksa kse ksg ksk ksr kss kst ksu kta kte ktg ktk ktr kts ktt ktu kue kug kuk kur kus kut kuu ra- raa rae rag rak rar ras rat rau re- rea ree reg rek rer res ret reu rga rge rgg rgk rgr rgs rgt rke rkg rkk rks rkt rku rra rrg rrk rrr rrs rrt rru rsa rse rsg rsk rsr rss rst rsu rta rte rtg rtk rtr rts rtt rtu rua rue rug ruk rur rus rut ruu saa sae sag sak sar sas sat sau se- sea see seg sek ser ses set seu sga sge sgg sgk sgr sgs sgt sgu sk- ska ske skg skk skr sks skt sku sr- sra sre srg srk srr srs srt ss- ssa sse ssg ssk ssr sss sst ssu sta ste stg stk str sts stt stu sua sue sug suk sur sus sut suu taa tae tag tak tar tas tat tau te- tea tee teg tek ter tes tet teu tga tge tgg tgk tgr tgs tgt tgu tka tke tkg tkk tkr tks tkt tra tre trg trk trr trs trt tru tsa tse tsg tsk tsr tss tst tsu tta tte ttg ttk ttr tts ttt ttu tua tue tug tuk tur tus tut tuu ua- uaa uae uag uak uar uas uat uau uea uee ueg uer ues uet uga uge ugg ugk ugr ugs ugt ugu uka uke ukk ukr uku ur- ura ure urg urk urr urs urt uru usa use usg usk usr uss ust usu uta ute utk utr uts utt utu uua uue uug uur uus uut uuu