a-a a-b a-i aaa aab aad aai aan aao aau ab- aba abb abd abi abn abo abu ad- ada adb add adi adn ado adu ai- aia aib aid aii ain aio aiu an- ana anb and ani ann ano anu aoa aob aod aoi aon aoo aou au- aua aub aud aui aun auo b-u baa bab bad bai ban bao bau bba bbb bbd bbi bbn bbo bbu bda bdb bdd bdi bdo bdu bi- bia bib bid bii bin bio biu bna bnb bnd bni bnn bno bnu boa bob bod boi bon boo bou bua bub bud bui bun buo buu daa dab dad dai dan dao dau dba dbb dbd dbi dbn dbo dbu dda ddb ddd ddi ddn ddo ddu di- dia dib did dii din dio diu dna dnb dnd dni dnn dno doa dob dod doi don doo dou dua dub dud dui dun duo i-d ia- iaa iab iad iai ian iao iau iba ibb ibd ibi ibn ibo ibu ida idb idd idi idn ido idu iia iib iid iii iin iio iiu in- ina inb ind ini inn ino inu io- ioa iob iod ioi ion ioo iou iu- iua iub iud iui n-i naa nab nad nai nan nao nau nba nbb nbd nbi nbn nbo nbu nda ndb ndd ndi ndn ndo ndu nia nib nid nii nin nio niu nna nnb nni nnn nno nnu no- noa nob nod noi non noo nou nua nub nud nui nun nuo nuu o-i oaa oab oad oai oan oao oau ob- oba obb obd obi obn obo obu oda odb odd odi odn odo odu oia oib oid oii oin oio oiu on- ona onb ond oni onn ono onu oo- ooa oob ood ooi oon ooo ou- oua oud oui oun ouo ua- uaa uab uad uai uan uao uau uba ubb ubi ubn ubo ubu uda udb udd udi udn udo udu uia uib uid uii uin uio uiu un- una unb und uni unn uno unu uoa uob uod uon uoo uua uun uuu