-er a-a a-i aaa aae aag aai aak aao aar aau aea aee aeg aei aek aeo aer aeu ag- aga age agg agi agk ago agr agu ai- aia aie aig aii aik aio air aiu aka ake akg aki akk ako akr aku aoa aoe aog aoi aok aoo aor aou ar- ara are arg ari ark aro arr aru au- aua aue aug aui auk auo aur eaa eae eag eai eak eao ear eau eea eee eeg eek eeo eer ega ege egg egi ego egr egu eia eie eig eii eik eio eir eiu eka eke ekg eki eko ekr eku eo- eoa eoe eog eoi eok eoo eor eou era ere erg eri erk ero err eru eu- eua eue eug eui eur gaa gae gag gai gak gao gar gau ge- gea gee geg gei gek geo ger geu gga ggg ggi ggo ggr ggu gia gie gig gii gik gio gir giu gka gko goa goe gog goi gok goo gor gou gra gre grg gri grk gro grr gru gu- gua gue gug gui guk guo gur guu ia- iaa iae iag iai iao iar iau ie- iea iee ieg iei iek ier iga ige igg igi igk igo igr igu iia iie iii iio iir iiu ika ike iki ikk iko ikr iku io- ioa ioe iog ioi ioo ior iou ir- ira ire irg iri irk iro irr iru iu- iua iue iug iui iur ka- kaa kae kag kai kak kao kar kau ke- kea kee keg kei kek keo ker kga kgi kgo kgu kia kie kig kii kik kio kir kiu kke kki kkk kkr kku koa koe kog koi kok koo kor kou kra krg kri krk kro krr kru kue kug kui kuk kur kuu o-i oaa oae oag oai oak oao oar oau oea oee oeg oei oeo oer oga oge ogg ogi ogo oia oie oii oik oio oir oiu oka oke okg oki okk oko okr oku oo- ooa oog ooi ook ooo oor or- ora ore org ori ork oro orr oru ou- oua oue oui ouk ouo our ra- raa rae rag rai rak rao rar rau re- rea ree reg rei rek reo rer reu rga rge rgg rgi rgk rgo rgr ria rie rig rii rik rio rir rke rkg rkk rko rku roa roe rog roi rok roo ror rou rra rrg rri rrk rrr rru rua rue rug rui ruk ruo rur ruu ua- uaa uae uag uai uak uao uar uau uea uee ueg uei uer uga uge ugg ugi ugk ugo ugr ugu uia uie uig uii uio uir uiu uka uke uki ukk ukr uku uoa uoe uog uok uoo uor ur- ura ure urg uri urk uro urr uru uua uue uug uur uuu