a-a a-b a-i aaa aab aah aai aak aan aao ab- aba abb abh abi abk abn abo aha ahb ahh ahi ahk ahn aho ai- aia aib aih aii aik ain aio aka akb akh aki akk akn ako an- ana anb anh ani ank ann ano aoa aob aoh aoi aok aon aoo baa bab bah bai bak ban bao bba bbb bbh bbi bbk bbn bbo bha bhb bhh bhi bhk bho bi- bia bib bih bii bik bin bio bka bkb bkk bkn bko bna bnb bni bnk bnn bno boa bob boh boi bok bon boo h-i haa hab hah hai hak han hao hba hbb hbh hbi hbk hbn hbo hha hhb hhh hhi hhk hhn hho hia hib hih hii hik hin hio hka hkb hkh hki hkk hkn hko hna hnb hnh hnk hnn hno hoa hob hoh hoi hok hon hoo ia- iaa iab iah iai ian iao iba ibb ibh ibi ibk ibn ibo iha ihb ihh ihi ihk ihn iho iia iib iih iii iin iio ika ikb iki ikk iko in- ina inb inh ini ink inn ino io- ioa iob ioh ioi ion ioo ka- kaa kab kah kai kak kan kao kba kbb kbh kbi kbk kbn kbo kha khh khi khk khn kho kia kib kih kii kik kin kio kkb kkh kki kkk kkn kn- kna kni knk knn kno koa kob koh koi kok kon koo n-i naa nab nah nai nak nan nao nba nbb nbi nbk nbn nbo nha nhb nhh nhi nhk nhn nia nib nih nii nik nin nio nka nki nkk nkn nko nna nnb nnh nni nnk nnn nno no- noa nob noh noi nok non noo o-i oaa oab oah oai oak oan oao ob- oba obb obh obi obk obn obo oha ohh ohi ohn oho oia oib oii oik oin oio oka okb oki okk oko on- ona onb onh oni onk onn ono oo- ooa oob ooh ooi ook oon ooo