ror ros rot rpe rph rpi rpk rpl rpn rpo rpp rpr rps rpt rrh rri rrk rrl rrn rrp rrr rrs rrt rse rsh rsi rsk rsl rsn rso rsp rsr rss rst rte rti rtk rtl rtn rto rtp rtr rts rtt se- see seh sei sek sel sen seo sep ser ses set sh- she shh shi shk shl shn sho shp shr shs sht sie sih sii sik sil sin sio sip sir sis sit sk- ske skh ski skk skl sko skp skr sks skt sle slh sli slk sll sln slo slp slr sls slt sne sni snk snl snn sno snp snr sns snt soe soh soi sok sol son soo sop sor sos sot spe sph spi spk spl spn spo spp spr sps spt sr- sre srh sri srk srl srn sro srp srr srs srt ss- sse ssh ssi ssk ssl ssn sso ssp ssr sss sst ste sth sti stk stl stn sto stp str sts stt te- tee teh tei tek tel ten teo tep ter tes tet th- the thh thi thk thl thn tho thp thr ths tht tie tih tii tik til tin tio tip tir tis tit tke tkk tkl tko tkp tkr tks tkt tle tlh tli tlk tll tln tlo tlp tlr tls tlt tne tnh tni tnk tnl tnn tno tnp tnr tns tnt to- toe toh toi tok tol ton too top tor tos tot tpe tph tpi tpk tpl tpn tpo tpp tpr tps tpt tre trh tri trk trl trn tro trp trr trs trt tse tsh tsi tsk tsl tsn tso tsp tsr tss tst tte tth tti ttk ttl ttn tto ttp ttr tts ttt