a-a a-c a-t aaa aac aaf aan aao aar aat aau ac- aca acc acf acn aco acr act acu af- afa afc aff afn afo afr aft afu an- ana anc anf ann ano anr ant anu aoa aoc aof aon aoo aor aot aou ar- ara arc arf arn aro arr art aru at- ata atc atf atn ato atr att atu au- aua auc auf aun auo aur aut c-- caa cac caf can cao car cat cau cca ccc ccf ccn cco ccr cct ccu cfa cfc cff cfn cfo cfr cft cfu cn- cna cnc cnf cnn cno cnr cnt cnu co- coa coc cof con coo cor cot cou cra crc crf crn cro crr crt cru cta ctc ctf ctn cto ctr ctt ctu cua cuc cuf cun cuo cur cut cuu faa fac faf fan fao far fat fau fca fcc fcf fcn fco fcr fct fcu ffa ffc fff ffn ffo ffr fft ffu fna fnc fnf fnn fnr fnt fnu foa foc fof fon foo for fot fou fra frc frf frn fro frr frt fru fta ftc ftf ftn fto ftr ftt ftu fua fuf fun fuo fur fut fuu naa nac naf nan nao nar nat nau nca ncc ncf ncn nco ncr nct ncu nfa nfc nff nfn nfo nfr nft nfu nna nnc nnf nnn nno nnt nnu no- noa noc nof non noo nor not nou nra nrc nrf nrn nro nrr nrt nru nta ntc ntf ntn nto ntr ntt ntu nua nuc nun nuo nur nut nuu oaa oac oaf oan oao oar oat oau oc- oca occ ocf ocn oco ocr oct ocu of- ofa ofc off ofn ofo ofr oft ofu on- ona onc onf onn ono onr ont onu oo- ooa ooc oof oon ooo oor oot or- ora orc orf orn oro orr ort oru ot- ota otc otf otn oto otr ott otu ou- oua ouc ouf oun ouo our out ra- raa rac raf ran rao rar rat rau rca rcc rcf rcn rco rcr rct rcu rfa rfc rff rfn rfo rfr rft rfu rna rnc rnn rno rnr rnt rnu roa roc rof ron roo ror rot rou rra rrc rrf rrn rrr rrt rru rta rtc rtf rtn rto rtr rtt rtu rua ruc ruf run ruo rur rut ruu taa tac taf tan tao tar tat tau tca tcc tcf tcn tco tcr tct tcu tfa tfc tff tfn tfo tfr tft tfu tna tnc tnf tnn tno tnr tnt to- toa toc tof ton too tor tot tou tra trc trf trn tro trr trt tru tta ttc ttf ttn tto ttr ttt ttu tua tuc tuf tun tuo tur tut tuu ua- uaa uac uaf uan uao uar uat uau uca ucc ucf ucn uco ucr uct ucu ufa ufc uff ufn ufo ufr uft ufu un- una unc unf unn uno unr unt unu uoa uoc uon uoo uor uot ur- ura urc urf urn uro urr urt uru uta utc utf utn uto utr utt utu uua uuc uun uur uut uuu