-ji a-a a-b a-i aaa aab aai aaj aak aao ab- aba abb abi abj abk abo ai- aia aib aii aik aio aja ajb aji ajj ajk ajo aka akb aki akj akk ako aoa aob aoi aoj aok aoo baa bab bai baj bak bao bba bbb bbi bbk bbo bi- bia bib bii bij bik bio bja bji bjj bjk bka bkb bkk bko boa bob boi boj bok boo ia- iaa iab iai iao iba ibb ibi ibj ibk ibo iia iib iii iij iio ija ijb iji ijk ijo ika ikb iki ikk iko io- ioa iob ioi ioj ioo j-i jaa jab jai jaj jak jao jba jbi jbj jbk jbo jia jib jii jij jio jja jjb jjj jjk jka jkb jkk jko joa job joi joj jok joo ka- kaa kab kai kaj kak kao kba kbb kbi kbk kbo kia kib kii kij kik kio kjb kji kkb kki kkk koa kob koi kok koo o-i oaa oab oai oaj oak oao ob- oba obb obi obj obk obo oia oib oii oik oio oja ojb oji ojo oka okb oki okj okk oko oo- ooa oob ooi ook ooo