a-a a-b a-i aaa aab aad aai aan aau ab- aba abb abd abi abn abu ad- ada adb add adi adn adu ai- aia aib aid aii ain aiu an- ana anb and ani ann anu au- aua aub aud aui aun b-u baa bab bad bai ban bau bba bbb bbd bbi bbn bbu bda bdb bdd bdi bdu bi- bia bib bid bii bin biu bna bnb bnd bni bnn bnu bua bub bud bui bun buu daa dab dad dai dan dau dba dbb dbd dbi dbn dbu dda ddb ddd ddi ddn ddu di- dia dib did dii din diu dna dnb dnd dni dnn dua dub dud dui dun i-d ia- iaa iab iad iai ian iau iba ibb ibd ibi ibn ibu ida idb idd idi idn idu iia iib iid iii iin iiu in- ina inb ind ini inn inu iu- iua iub iud iui n-i naa nab nad nai nan nau nba nbb nbd nbi nbn nbu nda ndb ndd ndi ndn ndu nia nib nid nii nin niu nna nnb nni nnn nnu nua nub nud nui nun nuu ua- uaa uab uad uai uan uau uba ubb ubi ubn ubu uda udb udd udi udn udu uia uib uid uii uin uiu un- una unb und uni unn unu uua uun uuu