a-a a-c a-t aaa aac aad aae aaf aao aat aau ac- aca acc acd ace acf aco act acu ad- ada adc add ade adf ado adt adu aea aec aed aee aef aeo aet aeu af- afa afc afd afe aff afo aft afu aoa aoc aod aoe aof aoo aot aou at- ata atc atd ate atf ato att atu au- aua auc aud aue auf auo aut c-- caa cac cad cae caf cao cat cau cca ccc ccd cce ccf cco cct ccu cda cdc cdd cde cdf cdo cdt cdu ce- cea cec ced cee cef ceo cet ceu cfa cfc cfd cfe cff cfo cft cfu co- coa coc cod coe cof coo cot cou cta ctc ctd cte ctf cto ctt ctu cua cuc cud cue cuf cuo cut cuu daa dac dad dae daf dao dat dau dca dcc dcd dce dcf dco dct dcu dda ddc ddd dde ddf ddo ddt ddu de- dea dec ded dee def deo det deu dfa dfc dfd dfe dff dfo dft dfu doa doc dod doe dof doo dot dou dta dtc dtd dte dtf dto dtt dtu dua duc dud due duf duo dut eaa eac ead eae eaf eao eat eau ec- eca ecc ecd ece ecf eco ect ecu ed- eda edc edd ede edf edo edt edu eea eec eed eee eef eeo eet ef- efa efc efd efe eff efo eft eo- eoa eoc eod eoe eof eoo eot eou eta etc etd ete etf eto ett etu eu- eua euc eud eue euf eut faa fac fad fae faf fao fat fau fca fcc fcd fce fcf fco fct fcu fda fdc fdd fde fdf fdo fdt fdu fea fec fed fee fef feo fet feu ffa ffc ffd ffe fff ffo fft ffu foa foc foe fof foo fot fou fta ftc ftd fte ftf fto ftt ftu fua fud fue fuf fuo fut fuu oaa oac oad oae oaf oao oat oau oc- oca occ ocd ocf oco oct ocu oda odc odd ode odf odo odt odu oea oec oed oee oef oeo oet of- ofa ofc ofd ofe off ofo oft ofu oo- ooa ooc ood oof ooo oot ot- ota otc otd ote otf oto ott otu ou- oua ouc oud oue ouf ouo out taa tac tad tae taf tao tat tau tca tcc tcd tce tcf tco tct tcu tda tdc tdd tde tdf tdo tdt tdu te- tea tec ted tee tef teo tet teu tfa tfc tfd tfe tff tfo tft tfu to- toa toc tod toe tof too tot tou tta ttc ttd tte ttf tto ttt ttu tua tuc tud tue tuf tuo tut tuu ua- uaa uac uad uae uaf uao uat uau uca ucc ucd uce ucf uco uct ucu uda udc udd ude udf udo udt udu uea uec ued uee uef uet ufa ufc ufd ufe uff ufo uft ufu uoa uoc uod uoe uoo uot uta utc utd ute utf uto utt utu uua uuc uue uut uuu