a-a a-c a-t aaa aac aaf aan aar aat aau ac- aca acc acf acn acr act acu af- afa afc aff afn afr aft afu an- ana anc anf ann anr ant anu ar- ara arc arf arn arr art aru at- ata atc atf atn atr att atu au- aua auc auf aun aur aut c-- caa cac caf can car cat cau cca ccc ccf ccn ccr cct ccu cfa cfc cff cfn cfr cft cfu cn- cna cnc cnf cnn cnr cnt cnu cra crc crf crn crr crt cru cta ctc ctf ctn ctr ctt ctu cua cuc cuf cun cur cut cuu faa fac faf fan far fat fau fca fcc fcf fcn fcr fct fcu ffa ffc fff ffn ffr fft ffu fna fnc fnf fnn fnr fnt fnu fra frc frf frn frr frt fru fta ftc ftf ftn ftr ftt ftu fua fuf fun fur fut fuu naa nac naf nan nar nat nau nca ncc ncf ncn ncr nct ncu nfa nfc nff nfn nfr nft nfu nna nnc nnf nnn nnt nnu nra nrc nrf nrn nrr nrt nru nta ntc ntf ntn ntr ntt ntu nua nuc nun nur nut nuu ra- raa rac raf ran rar rat rau rca rcc rcf rcn rcr rct rcu rfa rfc rff rfn rfr rft rfu rna rnc rnn rnr rnt rnu rra rrc rrf rrn rrr rrt rru rta rtc rtf rtn rtr rtt rtu rua ruc ruf run rur rut ruu taa tac taf tan tar tat tau tca tcc tcf tcn tcr tct tcu tfa tfc tff tfn tfr tft tfu tna tnc tnf tnn tnr tnt tra trc trf trn trr trt tru tta ttc ttf ttn ttr ttt ttu tua tuc tuf tun tur tut tuu ua- uaa uac uaf uan uar uat uau uca ucc ucf ucn ucr uct ucu ufa ufc uff ufn ufr uft ufu un- una unc unf unn unr unt unu ur- ura urc urf urn urr urt uru uta utc utf utn utr utt utu uua uuc uun uur uut uuu