rfo rfr rfs rft rh- rha rhb rhc rhe rhf rhh rho rhr rhs rht rkb rkc rke rkf rkk rko rks rkt roa rob roc roe rof roh rok roo ror ros rot rra rrb rrc rrf rrh rrk rrr rrs rrt rsa rsb rsc rse rsf rsh rsk rso rsr rss rst rta rtb rtc rte rtf rtk rto rtr rts rtt saa sab sac sae saf sah sak sao sar sas sat sba sbb sbc sbe sbf sbh sbk sbo sbr sbs sbt sca scb scc sce scf sch sck sco scr scs sct se- sea seb sec see sef seh sek seo ser ses set sfa sfb sfc sfe sff sfh sfk sfo sfr sfs sft sh- sha shb shc she shf shh shk sho shr shs sht sk- ska skb skc ske skf skh skk sko skr sks skt soa sob soc soe sof soh sok soo sor sos sot sr- sra srb src sre srf srh srk sro srr srs srt ss- ssa ssb ssc sse ssf ssh ssk sso ssr sss sst sta stb stc ste stf sth stk sto str sts stt taa tab tac tae taf tah tak tao tar tas tat tba tbb tbc tbe tbf tbh tbk tbo tbr tbs tbt tca tcb tcc tce tcf tch tck tco tcr tcs tct te- tea teb tec tee tef teh tek teo ter tes tet tfa tfb tfc tfe tff tfh tfk tfo tfr tfs tft th- tha thb thc the thf thh thk tho thr ths tht tka tkb tkc tke tkk tko tkr tks tkt to- toa tob toc toe tof toh tok too tor tos tot tra trb trc tre trf trh trk tro trr trs trt tsa tsb tsc tse tsf tsh tsk tso tsr tss tst tta ttb ttc tte ttf tth ttk tto ttr tts ttt