a-a a-b a-i aaa aab aai aam aao aau ab- aba abb abi abm abo abu ai- aia aib aii aim aio aiu ama amb ami amm amo amu aoa aob aoi aom aoo aou au- aua aub aui aum auo b-u baa bab bai bam bao bau bba bbb bbi bbm bbo bbu bi- bia bib bii bim bio biu bma bmb bmi bmm bmo bmu boa bob boi bom boo bou bua bub bui bum buo buu ia- iaa iab iai iam iao iau iba ibb ibi ibm ibo ibu iia iib iii iim iio iiu im- ima imb imi imm imo imu io- ioa iob ioi iom ioo iou iu- iua iub iui ium m-o maa mab mai mam mao mau mba mbb mbi mbm mbo mbu mi- mia mib mii mim mio miu mma mmb mmi mmm mmo mmu moa mob moi mom moo mou mua mub mui mum muu o-i oaa oab oai oam oao oau ob- oba obb obi obm obo obu oia oib oii oim oio oiu om- oma omb omi omm omo omu oo- ooa oob ooi oom ooo ou- oua oui oum ouo ua- uaa uab uai uam uao uau uba ubb ubi ubo ubu uia uib uii uim uio uiu um- uma umb umi umm umo umu uoa uob uom uoo uua uum uuu