-er a-a aaa aae aah aak aan aao aar aea aee aeh aek aen aeo aer aha ahe ahh ahk ahn aho ahr aka ake akh akk akn ako akr an- ana ane anh ank ann ano anr aoa aoe aoh aok aon aoo aor ar- ara are arh ark arn aro arr eaa eae eah eak ean eao ear eea eee eek een eeo eer eha ehe ehh ehn eho ehr eka eke ekh eko ekr en- ena ene enh enk enn eno enr eo- eoa eoe eoh eok eon eoo eor era ere erh erk ern ero err haa hae hah hak han hao har he- hea hee heh hek hen heo her hha hhe hhh hhk hhn hho hhr hka hkh hkk hkn hko hkr hna hne hnh hnk hnn hno hoa hoe hoh hok hon hoo hor hr- hra hre hrh hrk hrn hro hrr ka- kaa kae kah kak kan kao kar ke- kea kee keh kek ken keo ker kha khe khh khk khn kho khr kke kkh kkk kkn kkr kn- kna kne knk knn kno knr koa koe koh kok kon koo kor kra krk krn kro krr naa nae nah nak nan nao nar ne- nea nee neh nek nen neo ner nha nhe nhh nhk nhn nhr nka nke nkk nkn nko nkr nna nne nnh nnk nnn nno no- noa noe noh nok non noo nor nra nre nrk nrn nro nrr oaa oae oah oak oan oao oar oea oee oeh oen oeo oer oha ohe ohh ohn oho ohr oka oke okk oko okr on- ona one onh onk onn ono onr oo- ooa ooh ook oon ooo oor or- ora ore orh ork orn oro orr ra- raa rae rah rak ran rao rar re- rea ree reh rek ren reo rer rh- rha rhe rhh rhn rho rhr rke rkk rko rna rnh rnn rno rnr roa roe roh rok ron roo ror rra rrh rrk rrn rrr