shp shr shs sht shu sic sid sih sii sin sio sip sir sis sit siu snc snd sni snn sno snp snr sns snt snu soc sod soh soi son soo sop sor sos sot sou spc spd sph spi spn spo spp spr sps spt spu sr- src srd srh sri srn sro srp srr srs srt ss- ssc ssd ssh ssi ssn sso ssp ssr sss sst ssu stc std sth sti stn sto stp str sts stt stu suc sud suh sui sun suo sup sur sus sut suu tcc tcd tch tci tcn tco tcp tcr tcs tct tcu tdc tdd tdh tdi tdn tdo tdp tdr tds tdt tdu th- thc thd thh thi thn tho thp thr ths tht thu tic tid tih tii tin tio tip tir tis tit tiu tnc tnd tnh tni tnn tno tnp tnr tns tnt to- toc tod toh toi ton too top tor tos tot tou tpc tpd tph tpi tpn tpo tpp tpr tps tpt tpu trc trd trh tri trn tro trp trr trs trt tru tsc tsd tsh tsi tsn tso tsp tsr tss tst tsu ttc ttd tth tti ttn tto ttp ttr tts ttt ttu tuc tud tuh tui tun tuo tup tur tus tut tuu ucc ucd uch uci ucn uco ucp ucr ucs uct ucu udc udd udi udn udo udp udr uds udt udu uhc uhd uhh uhi uho uhp uhr uhs uht uhu uic uid uii uin uio uip uir uis uit uiu un- unc und unh uni unn uno unp unr uns unt unu uoc uod uon uoo uop uor uos uot up- upc upd uph upi upn upo upp upr ups upt upu ur- urc urd uri urn uro urp urr urs urt uru usc usd ush usi usn uso usp usr uss ust usu utc utd uth uti utn uto utp utr uts utt utu uuc uun uur uus uut uuu