a-a a-c a-t aaa aac aan aao aar aas aat aau ac- aca acc acn aco acr acs act acu an- ana anc ann ano anr ans ant anu aoa aoc aon aoo aor aos aot aou ar- ara arc arn aro arr ars art aru as- asa asc asn aso asr ass ast asu at- ata atc atn ato atr ats att atu au- aua auc aun auo aur aus aut c-- caa cac can cao car cas cat cau cca ccc ccn cco ccr ccs cct ccu cn- cna cnc cnn cno cnr cns cnt cnu co- coa coc con coo cor cos cot cou cra crc crn cro crr crs crt cru csa csc csn cso csr css cst csu cta ctc ctn cto ctr cts ctt ctu cua cuc cun cuo cur cus cut cuu naa nac nan nao nar nas nat nau nca ncc ncn nco ncr ncs nct ncu nna nnc nnn nno nns nnt nnu no- noa noc non noo nor nos not nou nra nrc nrn nro nrr nrs nrt nru nsa nsc nsn nso nsr nss nst nsu nta ntc ntn nto ntr nts ntt ntu nua nuc nun nuo nur nus nut nuu oaa oac oan oao oar oas oat oau oc- oca occ ocn oco ocr ocs oct ocu on- ona onc onn ono onr ons ont onu oo- ooa ooc oon ooo oor oos oot or- ora orc orn oro orr ors ort oru os- osa osc osn oso osr oss ost osu ot- ota otc otn oto otr ots ott otu ou- oua ouc oun ouo our ous out ra- raa rac ran rao rar ras rat rau rca rcc rcn rco rcr rcs rct rcu rna rnc rnn rno rnr rns rnt rnu roa roc ron roo ror ros rot rou rra rrc rrn rrr rrs rrt rru rsa rsc rsn rso rsr rss rst rsu rta rtc rtn rto rtr rts rtt rtu rua ruc run ruo rur rus rut ruu saa sac san sao sar sas sat sau sca scc scn sco scr scs sct scu sna snc snn sno snr sns snt snu soa soc son soo sor sos sot sou sr- sra src srn sro srr srs srt ss- ssa ssc ssn sso ssr sss sst ssu sta stc stn sto str sts stt stu sua suc sun suo sur sus sut suu taa tac tan tao tar tas tat tau tca tcc tcn tco tcr tcs tct tcu tna tnc tnn tno tnr tns tnt to- toa toc ton too tor tos tot tou tra trc trn tro trr trs trt tru tsa tsc tsn tso tsr tss tst tsu tta ttc ttn tto ttr tts ttt ttu tua tuc tun tuo tur tus tut tuu ua- uaa uac uan uao uar uas uat uau uca ucc ucn uco ucr ucs uct ucu un- una unc unn uno unr uns unt unu uoa uoc uon uoo uor uos uot ur- ura urc urn uro urr urs urt uru usa usc usn uso usr uss ust usu uta utc utn uto utr uts utt utu uua uuc uun uur uus uut uuu