a-a aaa aah aak aan aao aar aha ahh ahk ahn aho ahr aka akh akk akn ako akr an- ana anh ank ann ano anr aoa aoh aok aon aoo aor ar- ara arh ark arn aro arr haa hah hak han hao har hha hhh hhk hhn hho hhr hka hkh hkk hkn hko hkr hna hnh hnk hnn hno hoa hoh hok hon hoo hor hr- hra hrh hrk hrn hro hrr ka- kaa kah kak kan kao kar kha khh khk khn kho khr kkh kkk kkn kkr kn- kna knk knn kno knr koa koh kok kon koo kor kra krk krn kro krr naa nah nak nan nao nar nha nhh nhk nhn nhr nka nkk nkn nko nkr nna nnh nnk nnn nno no- noa noh nok non noo nor nra nrk nrn nro nrr oaa oah oak oan oao oar oha ohh ohn oho ohr oka okk oko okr on- ona onh onk onn ono onr oo- ooa ooh ook oon ooo oor or- ora orh ork orn oro orr ra- raa rah rak ran rao rar rh- rha rhh rhn rho rhr rkk rko rna rnh rnn rno rnr roa roh rok ron roo ror rra rrh rrk rrn rrr