shr shs sht shu sic sie sig sih sii sin sio sir sis sit siu snc sne sng sni snn sno snr sns snt snu soc soe sog soh soi son soo sor sos sot sou sr- src sre srg srh sri srn sro srr srs srt ss- ssc sse ssg ssh ssi ssn sso ssr sss sst ssu stc ste stg sth sti stn sto str sts stt stu suc sue sug suh sui sun suo sur sus sut suu tcc tce tcg tch tci tcn tco tcr tcs tct tcu te- tec tee teg teh tei ten teo ter tes tet teu tgc tge tgg tgh tgi tgn tgo tgr tgs tgt tgu th- thc the thg thh thi thn tho thr ths tht thu tic tie tig tih tii tin tio tir tis tit tiu tnc tne tng tnh tni tnn tno tnr tns tnt to- toc toe tog toh toi ton too tor tos tot tou trc tre trg trh tri trn tro trr trs trt tru tsc tse tsg tsh tsi tsn tso tsr tss tst tsu ttc tte ttg tth tti ttn tto ttr tts ttt ttu tuc tue tug tuh tui tun tuo tur tus tut tuu ucc uce ucg uch uci ucn uco ucr ucs uct ucu uec uee ueg ueh uei uen uer ues uet ugc uge ugg ugh ugi ugn ugo ugr ugs ugt ugu uhc uhe uhh uhi uho uhr uhs uht uhu uic uie uig uii uin uio uir uis uit uiu un- unc une ung unh uni unn uno unr uns unt unu uoc uoe uog uon uoo uor uos uot ur- urc ure urg uri urn uro urr urs urt uru usc use usg ush usi usn uso usr uss ust usu utc ute uth uti utn uto utr uts utt utu uuc uue uug uun uur uus uut uuu