a-a a-b a-i a-t aaa aab aad aai aan aao aat aau ab- aba abb abd abi abn abo abt abu ad- ada adb add adi adn ado adt adu ai- aia aib aid aii ain aio ait aiu an- ana anb and ani ann ano ant anu aoa aob aod aoi aon aoo aot aou at- ata atb atd ati atn ato att atu au- aua aub aud aui aun auo aut b-u baa bab bad bai ban bao bat bau bba bbb bbd bbi bbn bbo bbt bbu bda bdb bdd bdi bdo bdt bdu bi- bia bib bid bii bin bio bit biu bna bnb bnd bni bnn bno bnt bnu boa bob bod boi bon boo bot bou bta btb btd bti btn bto btt btu bua bub bud bui bun buo but buu daa dab dad dai dan dao dat dau dba dbb dbd dbi dbn dbo dbt dbu dda ddb ddd ddi ddn ddo ddt ddu di- dia dib did dii din dio dit diu dna dnb dnd dni dnn dno dnt doa dob dod doi don doo dot dou dta dtb dtd dti dtn dto dtt dtu dua dub dud dui dun duo dut i-d ia- iaa iab iad iai ian iao iat iau iba ibb ibd ibi ibn ibo ibt ibu ida idb idd idi idn ido idt idu iia iib iid iii iin iio iit iiu in- ina inb ind ini inn ino int inu io- ioa iob iod ioi ion ioo iot iou ita itb itd iti itn ito itt itu iu- iua iub iud iui iut n-i naa nab nad nai nan nao nat nau nba nbb nbd nbi nbn nbo nbt nbu nda ndb ndd ndi ndn ndo ndt ndu nia nib nid nii nin nio nit niu nna nnb nni nnn nno nnt nnu no- noa nob nod noi non noo not nou nta ntb ntd nti ntn nto ntt ntu nua nub nud nui nun nuo nut nuu o-i oaa oab oad oai oan oao oat oau ob- oba obb obd obi obn obo obt obu oda odb odd odi odn odo odt odu oia oib oid oii oin oio oit oiu on- ona onb ond oni onn ono ont onu oo- ooa oob ood ooi oon ooo oot ot- ota otb otd oti otn oto ott otu ou- oua oud oui oun ouo out taa tab tad tai tan tao tat tau tba tbb tbd tbi tbn tbo tbt tbu tda tdb tdd tdi tdn tdo tdt tdu tia tib tid tii tin tio tit tiu tna tnb tnd tni tnn tno tnt to- toa tob tod toi ton too tot tou tta ttb ttd tti ttn tto ttt ttu tua tub tud tui tun tuo tut tuu ua- uaa uab uad uai uan uao uat uau uba ubb ubi ubn ubo ubt ubu uda udb udd udi udn udo udt udu uia uib uid uii uin uio uit uiu un- una unb und uni unn uno unt unu uoa uob uod uon uoo uot uta utb utd uti utn uto utt utu uua uun uut uuu