a-a a-c a-t aaa aac aad aao aat aau ac- aca acc acd aco act acu ad- ada adc add ado adt adu aoa aoc aod aoo aot aou at- ata atc atd ato att atu au- aua auc aud auo aut c-- caa cac cad cao cat cau cca ccc ccd cco cct ccu cda cdc cdd cdo cdt cdu co- coa coc cod coo cot cou cta ctc ctd cto ctt ctu cua cuc cud cuo cut cuu daa dac dad dao dat dau dca dcc dcd dco dct dcu dda ddc ddd ddo ddt ddu doa doc dod doo dot dou dta dtc dtd dto dtt dtu dua duc dud duo dut oaa oac oad oao oat oau oc- oca occ ocd oco oct ocu oda odc odd odo odt odu oo- ooa ooc ood ooo oot ot- ota otc otd oto ott otu ou- oua ouc oud ouo out taa tac tad tao tat tau tca tcc tcd tco tct tcu tda tdc tdd tdo tdt tdu to- toa toc tod too tot tou tta ttc ttd tto ttt ttu tua tuc tud tuo tut tuu ua- uaa uac uad uao uat uau uca ucc ucd uco uct ucu uda udc udd udo udt udu uoa uoc uod uoo uot uta utc utd uto utt utu uua uuc uut uuu