a-a a-c a-t aaa aac aaf aao aar aat aau ac- aca acc acf aco acr act acu af- afa afc aff afo afr aft afu aoa aoc aof aoo aor aot aou ar- ara arc arf aro arr art aru at- ata atc atf ato atr att atu au- aua auc auf auo aur aut c-- caa cac caf cao car cat cau cca ccc ccf cco ccr cct ccu cfa cfc cff cfo cfr cft cfu co- coa coc cof coo cor cot cou cra crc crf cro crr crt cru cta ctc ctf cto ctr ctt ctu cua cuc cuf cuo cur cut cuu faa fac faf fao far fat fau fca fcc fcf fco fcr fct fcu ffa ffc fff ffo ffr fft ffu foa foc fof foo for fot fou fra frc frf fro frr frt fru fta ftc ftf fto ftr ftt ftu fua fuf fuo fur fut fuu oaa oac oaf oao oar oat oau oc- oca occ ocf oco ocr oct ocu of- ofa ofc off ofo ofr oft ofu oo- ooa ooc oof ooo oor oot or- ora orc orf oro orr ort oru ot- ota otc otf oto otr ott otu ou- oua ouc ouf ouo our out ra- raa rac raf rao rar rat rau rca rcc rcf rco rcr rct rcu rfa rfc rff rfo rfr rft rfu roa roc rof roo ror rot rou rra rrc rrf rrr rrt rru rta rtc rtf rto rtr rtt rtu rua ruc ruf ruo rur rut ruu taa tac taf tao tar tat tau tca tcc tcf tco tcr tct tcu tfa tfc tff tfo tfr tft tfu to- toa toc tof too tor tot tou tra trc trf tro trr trt tru tta ttc ttf tto ttr ttt ttu tua tuc tuf tuo tur tut tuu ua- uaa uac uaf uao uar uat uau uca ucc ucf uco ucr uct ucu ufa ufc uff ufo ufr uft ufu uoa uoc uoo uor uot ur- ura urc urf uro urr urt uru uta utc utf uto utr utt utu uua uuc uur uut uuu