rh- rha rhc rhd rhe rhh rhn rho rhr rhs rht rkc rke rkk rko rks rkt rna rnc rnd rnh rnn rno rnr rns rnt roa roc rod roe roh rok ron roo ror ros rot rra rrc rrd rrh rrk rrn rrr rrs rrt rsa rsc rsd rse rsh rsk rsn rso rsr rss rst rta rtc rtd rte rtk rtn rto rtr rts rtt saa sac sad sae sah sak san sao sar sas sat sca scc scd sce sch sck scn sco scr scs sct sda sdc sdd sde sdh sdk sdn sdo sdr sds sdt se- sea sec sed see seh sek sen seo ser ses set sh- sha shc shd she shh shk shn sho shr shs sht sk- ska skc skd ske skh skk sko skr sks skt sna snc snd sne snk snn sno snr sns snt soa soc sod soe soh sok son soo sor sos sot sr- sra src srd sre srh srk srn sro srr srs srt ss- ssa ssc ssd sse ssh ssk ssn sso ssr sss sst sta stc std ste sth stk stn sto str sts stt taa tac tad tae tah tak tan tao tar tas tat tca tcc tcd tce tch tck tcn tco tcr tcs tct tda tdc tdd tde tdh tdk tdn tdo tdr tds tdt te- tea tec ted tee teh tek ten teo ter tes tet th- tha thc thd the thh thk thn tho thr ths tht tka tkc tke tkk tko tkr tks tkt tna tnc tnd tne tnh tnk tnn tno tnr tns tnt to- toa toc tod toe toh tok ton too tor tos tot tra trc trd tre trh trk trn tro trr trs trt tsa tsc tsd tse tsh tsk tsn tso tsr tss tst tta ttc ttd tte tth ttk ttn tto ttr tts ttt