-er a-a a-i aaa aae aah aai aak aao aar aea aee aeh aei aek aeo aer aha ahe ahh ahi ahk aho ahr ai- aia aie aih aii aik aio air aka ake akh aki akk ako akr aoa aoe aoh aoi aok aoo aor ar- ara are arh ari ark aro arr eaa eae eah eai eak eao ear eea eee eek eeo eer eha ehe ehh ehi eho ehr eia eie eii eik eio eir eka eke ekh eki eko ekr eo- eoa eoe eoh eoi eok eoo eor era ere erh eri erk ero err h-i haa hae hah hai hak hao har he- hea hee heh hei hek heo her hha hhe hhh hhi hhk hho hhr hia hie hih hii hik hio hir hka hkh hki hkk hko hkr hoa hoe hoh hoi hok hoo hor hr- hra hre hrh hri hrk hro hrr ia- iaa iae iah iai iao iar ie- iea iee iei iek ier iha ihe ihh ihi ihk iho ihr iia iie iih iii iio iir ika ike iki ikk iko ikr io- ioa ioe ioh ioi ioo ior ir- ira ire iri irk iro irr ka- kaa kae kah kai kak kao kar ke- kea kee keh kei kek keo ker kha khe khh khi khk kho khr kia kie kih kii kik kio kir kke kkh kki kkk kkr koa koe koh koi kok koo kor kra kri krk kro krr o-i oaa oae oah oai oak oao oar oea oee oeh oei oeo oer oha ohe ohh ohi oho ohr oia oie oii oik oio oir oka oke oki okk oko okr oo- ooa ooh ooi ook ooo oor or- ora ore orh ori ork oro orr ra- raa rae rah rai rak rao rar re- rea ree reh rei rek reo rer rh- rha rhe rhh rhi rho rhr ria rie rih rii rik rio rir rke rkk rko roa roe roh roi rok roo ror rra rrh rri rrk rrr