shl sho shp shr shs sht shu sic sid sih sii sil sio sip sir sis sit siu slc sld slh sli sll slo slp slr sls slt slu soc sod soh soi sol soo sop sor sos sot sou spc spd sph spi spl spo spp spr sps spt spu sr- src srd srh sri srl sro srp srr srs srt ss- ssc ssd ssh ssi ssl sso ssp ssr sss sst ssu stc std sth sti stl sto stp str sts stt stu suc sud suh sui sul suo sup sur sus sut suu tcc tcd tch tci tcl tco tcp tcr tcs tct tcu tdc tdd tdh tdi tdl tdo tdp tdr tds tdt tdu th- thc thd thh thi thl tho thp thr ths tht thu tic tid tih tii til tio tip tir tis tit tiu tlc tld tlh tli tll tlo tlp tlr tls tlt tlu to- toc tod toh toi tol too top tor tos tot tou tpc tpd tph tpi tpl tpo tpp tpr tps tpt tpu trc trd trh tri trl tro trp trr trs trt tru tsc tsd tsh tsi tsl tso tsp tsr tss tst tsu ttc ttd tth tti ttl tto ttp ttr tts ttt ttu tuc tud tuh tui tul tuo tup tur tus tut tuu ucc ucd uch uci ucl uco ucp ucr ucs uct ucu udc udd udi udl udo udp udr uds udt udu uhc uhd uhh uhi uhl uho uhp uhr uhs uht uhu uic uid uii uil uio uip uir uis uit uiu ulc uld uli ull ulo ulp ulr uls ult ulu uoc uod uol uoo uop uor uos uot up- upc upd uph upi upo upp upr ups upt upu ur- urc urd uri url uro urp urr urs urt uru usc usd ush usi usl uso usp usr uss ust usu utc utd uth uti utl uto utp utr uts utt utu uuc uur uus uut uuu