-er a-a a-t aaa aae aak aao aar aas aat aau aea aee aek aeo aer aes aet aeu aka ake akk ako akr aks aku aoa aoe aok aoo aor aos aot aou ar- ara are ark aro arr ars art aru as- asa ase ask aso asr ass ast asu at- ata ate ato atr ats att atu au- aua aue auk auo aur aus aut eaa eae eak eao ear eas eat eau eea eee eek eeo eer ees eet eka eke eko ekr eks ekt eku eo- eoa eoe eok eoo eor eos eot eou era ere erk ero err ers ert eru es- esa ese esk eso esr ess est esu eta ete etk eto etr ets ett etu eu- eua eue eur eus eut k-t ka- kaa kae kak kao kar kas kat kau ke- kea kee kek keo ker kes ket kke kkk kkr kks kkt kku koa koe kok koo kor kos kot kou kra krk kro krr krs krt kru ksa kse ksk kso ksr kss kst ksu kta kte ktk kto ktr kts ktt ktu kue kuk kur kus kut kuu oaa oae oak oao oar oas oat oau oea oee oeo oer oes oet oka oke okk oko okr oks oku oo- ooa ook ooo oor oos oot or- ora ore ork oro orr ors ort oru os- osa ose osk oso osr oss ost osu ot- ota ote otk oto otr ots ott otu ou- oua oue ouk ouo our ous out ra- raa rae rak rao rar ras rat rau re- rea ree rek reo rer res ret reu rke rkk rko rks rkt rku roa roe rok roo ror ros rot rou rra rrk rrr rrs rrt rru rsa rse rsk rso rsr rss rst rsu rta rte rtk rto rtr rts rtt rtu rua rue ruk ruo rur rus rut ruu saa sae sak sao sar sas sat sau se- sea see sek seo ser ses set seu sk- ska ske skk sko skr sks skt sku soa soe sok soo sor sos sot sou sr- sra sre srk sro srr srs srt ss- ssa sse ssk sso ssr sss sst ssu sta ste stk sto str sts stt stu sua sue suk suo sur sus sut suu taa tae tak tao tar tas tat tau te- tea tee tek teo ter tes tet teu tka tke tkk tko tkr tks tkt to- toa toe tok too tor tos tot tou tra tre trk tro trr trs trt tru tsa tse tsk tso tsr tss tst tsu tta tte ttk tto ttr tts ttt ttu tua tue tuk tuo tur tus tut tuu ua- uaa uae uak uao uar uas uat uau uea uee uer ues uet uka uke ukk ukr uku uoa uoe uok uoo uor uos uot ur- ura ure urk uro urr urs urt uru usa use usk uso usr uss ust usu uta ute utk uto utr uts utt utu uua uue uur uus uut uuu