a-a a-c a-t aaa aac aaf aao aat aau ac- aca acc acf aco act acu af- afa afc aff afo aft afu aoa aoc aof aoo aot aou at- ata atc atf ato att atu au- aua auc auf auo aut c-- caa cac caf cao cat cau cca ccc ccf cco cct ccu cfa cfc cff cfo cft cfu co- coa coc cof coo cot cou cta ctc ctf cto ctt ctu cua cuc cuf cuo cut cuu faa fac faf fao fat fau fca fcc fcf fco fct fcu ffa ffc fff ffo fft ffu foa foc fof foo fot fou fta ftc ftf fto ftt ftu fua fuf fuo fut fuu oaa oac oaf oao oat oau oc- oca occ ocf oco oct ocu of- ofa ofc off ofo oft ofu oo- ooa ooc oof ooo oot ot- ota otc otf oto ott otu ou- oua ouc ouf ouo out taa tac taf tao tat tau tca tcc tcf tco tct tcu tfa tfc tff tfo tft tfu to- toa toc tof too tot tou tta ttc ttf tto ttt ttu tua tuc tuf tuo tut tuu ua- uaa uac uaf uao uat uau uca ucc ucf uco uct ucu ufa ufc uff ufo uft ufu uoa uoc uoo uot uta utc utf uto utt utu uua uuc uut uuu