ror ros rot rra rrf rrg rrh rri rrk rrl rrr rrs rrt rsa rsf rsg rsh rsi rsk rsl rso rsr rss rst rta rtf rtg rti rtk rtl rto rtr rts rtt saa saf sag sah sai sak sal sao sar sas sat sfa sff sfg sfh sfi sfk sfl sfo sfr sfs sft sga sgf sgg sgh sgi sgk sgl sgo sgr sgs sgt sh- sha shf shg shh shi shk shl sho shr shs sht sia sif sig sih sii sik sil sio sir sis sit sk- ska skf skg skh ski skk skl sko skr sks skt sla slf slg slh sli slk sll slo slr sls slt soa sof sog soh soi sok sol soo sor sos sot sr- sra srf srg srh sri srk srl sro srr srs srt ss- ssa ssf ssg ssh ssi ssk ssl sso ssr sss sst sta stf stg sth sti stk stl sto str sts stt taa taf tag tah tai tak tal tao tar tas tat tfa tff tfg tfh tfi tfk tfl tfo tfr tfs tft tga tgf tgg tgh tgi tgk tgl tgo tgr tgs tgt th- tha thf thg thh thi thk thl tho thr ths tht tia tif tig tih tii tik til tio tir tis tit tka tkg tkk tkl tko tkr tks tkt tla tlf tlg tlh tli tlk tll tlo tlr tls tlt to- toa tof tog toh toi tok tol too tor tos tot tra trf trg trh tri trk trl tro trr trs trt tsa tsf tsg tsh tsi tsk tsl tso tsr tss tst tta ttf ttg tth tti ttk ttl tto ttr tts ttt