a-a a-b a-i a-t aaa aab aad aae aai aao aat aau ab- aba abb abd abe abi abo abt abu ad- ada adb add ade adi ado adt adu aea aeb aed aee aei aeo aet aeu ai- aia aib aid aie aii aio ait aiu aoa aob aod aoe aoi aoo aot aou at- ata atb atd ate ati ato att atu au- aua aub aud aue aui auo aut b-u baa bab bad bae bai bao bat bau bba bbb bbd bbe bbi bbo bbt bbu bda bdb bdd bde bdi bdo bdt bdu be- bea beb bed bee bei beo bet beu bi- bia bib bid bie bii bio bit biu boa bob bod boe boi boo bot bou bta btb btd bte bti bto btt btu bua bub bud bue bui buo but buu daa dab dad dae dai dao dat dau dba dbb dbd dbe dbi dbo dbt dbu dda ddb ddd dde ddi ddo ddt ddu de- dea deb ded dee dei deo det deu di- dia dib did die dii dio dit diu doa dob dod doe doi doo dot dou dta dtb dtd dte dti dto dtt dtu dua dub dud due dui duo dut eaa eab ead eae eai eao eat eau eba ebb ebd ebe ebi ebo ebt ebu ed- eda edb edd ede edi edo edt edu eea eeb eed eee eeo eet eia eib eid eie eii eio eit eiu eo- eoa eob eod eoe eoi eoo eot eou eta etb etd ete eti eto ett etu eu- eua eub eud eue eui eut i-d ia- iaa iab iad iae iai iao iat iau iba ibb ibd ibe ibi ibo ibt ibu ida idb idd ide idi ido idt idu ie- iea ied iee iei iet iia iib iid iie iii iio iit iiu io- ioa iob iod ioe ioi ioo iot iou ita itb itd ite iti ito itt itu iu- iua iub iud iue iui iut o-i oaa oab oad oae oai oao oat oau ob- oba obb obd obe obi obo obt obu oda odb odd ode odi odo odt odu oea oeb oed oee oei oeo oet oia oib oid oie oii oio oit oiu oo- ooa oob ood ooi ooo oot ot- ota otb otd ote oti oto ott otu ou- oua oud oue oui ouo out taa tab tad tae tai tao tat tau tba tbb tbd tbe tbi tbo tbt tbu tda tdb tdd tde tdi tdo tdt tdu te- tea teb ted tee tei teo tet teu tia tib tid tie tii tio tit tiu to- toa tob tod toe toi too tot tou tta ttb ttd tte tti tto ttt ttu tua tub tud tue tui tuo tut tuu ua- uaa uab uad uae uai uao uat uau uba ubb ube ubi ubo ubt ubu uda udb udd ude udi udo udt udu uea ueb ued uee uei uet uia uib uid uie uii uio uit uiu uoa uob uod uoe uoo uot uta utb utd ute uti uto utt utu uua uue uut uuu