rff rfh rfi rfk rfr rfs rft rh- rha rhb rhc rhe rhf rhh rhi rhr rhs rht ria rib ric rie rif rih rii rik rir ris rit rkb rkc rke rkf rkk rks rkt rra rrb rrc rrf rrh rri rrk rrr rrs rrt rsa rsb rsc rse rsf rsh rsi rsk rsr rss rst rta rtb rtc rte rtf rti rtk rtr rts rtt saa sab sac sae saf sah sai sak sar sas sat sba sbb sbc sbe sbf sbh sbi sbk sbr sbs sbt sca scb scc sce scf sch sci sck scr scs sct se- sea seb sec see sef seh sei sek ser ses set sfa sfb sfc sfe sff sfh sfi sfk sfr sfs sft sh- sha shb shc she shf shh shi shk shr shs sht sia sib sic sie sif sih sii sik sir sis sit sk- ska skb skc ske skf skh ski skk skr sks skt sr- sra srb src sre srf srh sri srk srr srs srt ss- ssa ssb ssc sse ssf ssh ssi ssk ssr sss sst sta stb stc ste stf sth sti stk str sts stt taa tab tac tae taf tah tai tak tar tas tat tba tbb tbc tbe tbf tbh tbi tbk tbr tbs tbt tca tcb tcc tce tcf tch tci tck tcr tcs tct te- tea teb tec tee tef teh tei tek ter tes tet tfa tfb tfc tfe tff tfh tfi tfk tfr tfs tft th- tha thb thc the thf thh thi thk thr ths tht tia tib tic tie tif tih tii tik tir tis tit tka tkb tkc tke tkk tkr tks tkt tra trb trc tre trf trh tri trk trr trs trt tsa tsb tsc tse tsf tsh tsi tsk tsr tss tst tta ttb ttc tte ttf tth tti ttk ttr tts ttt