rra rrf rrg rrh rrk rrl rrr rrs rrt rsa rse rsf rsg rsh rsk rsl rso rsr rss rst rta rte rtf rtg rtk rtl rto rtr rts rtt saa sae saf sag sah sak sal sao sar sas sat se- sea see sef seg seh sek sel seo ser ses set sfa sfe sff sfg sfh sfk sfl sfo sfr sfs sft sga sge sgf sgg sgh sgk sgl sgo sgr sgs sgt sh- sha she shf shg shh shk shl sho shr shs sht sk- ska ske skf skg skh skk skl sko skr sks skt sla sle slf slg slh slk sll slo slr sls slt soa soe sof sog soh sok sol soo sor sos sot sr- sra sre srf srg srh srk srl sro srr srs srt ss- ssa sse ssf ssg ssh ssk ssl sso ssr sss sst sta ste stf stg sth stk stl sto str sts stt taa tae taf tag tah tak tal tao tar tas tat te- tea tee tef teg teh tek tel teo ter tes tet tfa tfe tff tfg tfh tfk tfl tfo tfr tfs tft tga tge tgf tgg tgh tgk tgl tgo tgr tgs tgt th- tha the thf thg thh thk thl tho thr ths tht tka tke tkg tkk tkl tko tkr tks tkt tla tle tlf tlg tlh tlk tll tlo tlr tls tlt to- toa toe tof tog toh tok tol too tor tos tot tra tre trf trg trh trk trl tro trr trs trt tsa tse tsf tsg tsh tsk tsl tso tsr tss tst tta tte ttf ttg tth ttk ttl tto ttr tts ttt