set seu sh- shc shd she shh shi shn sho shr shs sht shu sic sid sie sih sii sin sio sir sis sit siu snc snd sne sni snn sno snr sns snt snu soc sod soe soh soi son soo sor sos sot sou sr- src srd sre srh sri srn sro srr srs srt ss- ssc ssd sse ssh ssi ssn sso ssr sss sst ssu stc std ste sth sti stn sto str sts stt stu suc sud sue suh sui sun suo sur sus sut suu tcc tcd tce tch tci tcn tco tcr tcs tct tcu tdc tdd tde tdh tdi tdn tdo tdr tds tdt tdu te- tec ted tee teh tei ten teo ter tes tet teu th- thc thd the thh thi thn tho thr ths tht thu tic tid tie tih tii tin tio tir tis tit tiu tnc tnd tne tnh tni tnn tno tnr tns tnt to- toc tod toe toh toi ton too tor tos tot tou trc trd tre trh tri trn tro trr trs trt tru tsc tsd tse tsh tsi tsn tso tsr tss tst tsu ttc ttd tte tth tti ttn tto ttr tts ttt ttu tuc tud tue tuh tui tun tuo tur tus tut tuu ucc ucd uce uch uci ucn uco ucr ucs uct ucu udc udd ude udi udn udo udr uds udt udu uec ued uee ueh uei uen uer ues uet uhc uhd uhe uhh uhi uho uhr uhs uht uhu uic uid uie uii uin uio uir uis uit uiu un- unc und une unh uni unn uno unr uns unt unu uoc uod uoe uon uoo uor uos uot ur- urc urd ure uri urn uro urr urs urt uru usc usd use ush usi usn uso usr uss ust usu utc utd ute uth uti utn uto utr uts utt utu uuc uue uun uur uus uut uuu