shp shr shs sht shu sic sie sih sii sin sio sip sir sis sit siu snc sne sni snn sno snp snr sns snt snu soc soe soh soi son soo sop sor sos sot sou spc spe sph spi spn spo spp spr sps spt spu sr- src sre srh sri srn sro srp srr srs srt ss- ssc sse ssh ssi ssn sso ssp ssr sss sst ssu stc ste sth sti stn sto stp str sts stt stu suc sue suh sui sun suo sup sur sus sut suu tcc tce tch tci tcn tco tcp tcr tcs tct tcu te- tec tee teh tei ten teo tep ter tes tet teu th- thc the thh thi thn tho thp thr ths tht thu tic tie tih tii tin tio tip tir tis tit tiu tnc tne tnh tni tnn tno tnp tnr tns tnt to- toc toe toh toi ton too top tor tos tot tou tpc tpe tph tpi tpn tpo tpp tpr tps tpt tpu trc tre trh tri trn tro trp trr trs trt tru tsc tse tsh tsi tsn tso tsp tsr tss tst tsu ttc tte tth tti ttn tto ttp ttr tts ttt ttu tuc tue tuh tui tun tuo tup tur tus tut tuu ucc uce uch uci ucn uco ucp ucr ucs uct ucu uec uee ueh uei uen uep uer ues uet uhc uhe uhh uhi uho uhp uhr uhs uht uhu uic uie uii uin uio uip uir uis uit uiu un- unc une unh uni unn uno unp unr uns unt unu uoc uoe uon uoo uop uor uos uot up- upc upe uph upi upn upo upp upr ups upt upu ur- urc ure uri urn uro urp urr urs urt uru usc use ush usi usn uso usp usr uss ust usu utc ute uth uti utn uto utp utr uts utt utu uuc uue uun uur uus uut uuu