-th a-a a-c a-t aaa aac aah aan aao aar aas aat ac- aca acc ach acn aco acr acs act aha ahc ahh ahn aho ahr ahs aht an- ana anc anh ann ano anr ans ant aoa aoc aoh aon aoo aor aos aot ar- ara arc arh arn aro arr ars art as- asa asc ash asn aso asr ass ast at- ata atc ath atn ato atr ats att c-- caa cac cah can cao car cas cat cca ccc cch ccn cco ccr ccs cct ch- cha chc chh chn cho chr chs cht cn- cna cnc cnh cnn cno cnr cns cnt co- coa coc coh con coo cor cos cot cra crc crh crn cro crr crs crt csa csc csh csn cso csr css cst cta ctc cth ctn cto ctr cts ctt haa hac hah han hao har has hat hca hcc hch hcn hco hcr hcs hct hha hhc hhh hhn hho hhr hhs hht hna hnc hnh hnn hno hns hnt hoa hoc hoh hon hoo hor hos hot hr- hra hrc hrh hrn hro hrr hrs hrt hsa hsc hsh hsn hsr hss hst hta htc hth htn hto htr hts htt naa nac nah nan nao nar nas nat nca ncc nch ncn nco ncr ncs nct nha nhc nhh nhn nhr nhs nht nna nnc nnh nnn nno nns nnt no- noa noc noh non noo nor nos not nra nrc nrn nro nrr nrs nrt nsa nsc nsh nsn nso nsr nss nst nta ntc nth ntn nto ntr nts ntt oaa oac oah oan oao oar oas oat oc- oca occ och ocn oco ocr ocs oct oha ohc ohh ohn oho ohr ohs oht on- ona onc onh onn ono onr ons ont oo- ooa ooc ooh oon ooo oor oos oot or- ora orc orh orn oro orr ors ort os- osa osc osh osn oso osr oss ost ot- ota otc oth otn oto otr ots ott ra- raa rac rah ran rao rar ras rat rca rcc rch rcn rco rcr rcs rct rh- rha rhc rhh rhn rho rhr rhs rht rna rnc rnh rnn rno rnr rns rnt roa roc roh ron roo ror ros rot rra rrc rrh rrn rrr rrs rrt rsa rsc rsh rsn rso rsr rss rst rta rtc rtn rto rtr rts rtt saa sac sah san sao sar sas sat sca scc sch scn sco scr scs sct sh- sha shc shh shn sho shr shs sht sna snc snn sno snr sns snt soa soc soh son soo sor sos sot sr- sra src srh srn sro srr srs srt ss- ssa ssc ssh ssn sso ssr sss sst sta stc sth stn sto str sts stt taa tac tah tan tao tar tas tat tca tcc tch tcn tco tcr tcs tct th- tha thc thh thn tho thr ths tht tna tnc tnh tnn tno tnr tns tnt to- toa toc toh ton too tor tos tot tra trc trh trn tro trr trs trt tsa tsc tsh tsn tso tsr tss tst tta ttc tth ttn tto ttr tts ttt