rra rrf rrg rrh rri rrk rrn rrr rrs rrt rsa rsf rsg rsh rsi rsk rsn rso rsr rss rst rta rtf rtg rti rtk rtn rto rtr rts rtt saa saf sag sah sai sak san sao sar sas sat sfa sff sfg sfh sfi sfk sfn sfo sfr sfs sft sga sgf sgg sgh sgi sgk sgn sgo sgr sgs sgt sh- sha shf shg shh shi shk shn sho shr shs sht sia sif sig sih sii sik sin sio sir sis sit sk- ska skf skg skh ski skk sko skr sks skt sna snf sng sni snk snn sno snr sns snt soa sof sog soh soi sok son soo sor sos sot sr- sra srf srg srh sri srk srn sro srr srs srt ss- ssa ssf ssg ssh ssi ssk ssn sso ssr sss sst sta stf stg sth sti stk stn sto str sts stt taa taf tag tah tai tak tan tao tar tas tat tfa tff tfg tfh tfi tfk tfn tfo tfr tfs tft tga tgf tgg tgh tgi tgk tgn tgo tgr tgs tgt th- tha thf thg thh thi thk thn tho thr ths tht tia tif tig tih tii tik tin tio tir tis tit tka tkg tkk tko tkr tks tkt tna tnf tng tnh tni tnk tnn tno tnr tns tnt to- toa tof tog toh toi tok ton too tor tos tot tra trf trg trh tri trk trn tro trr trs trt tsa tsf tsg tsh tsi tsk tsn tso tsr tss tst tta ttf ttg tth tti ttk ttn tto ttr tts ttt