shh shi sho shp shr shs sht shu sic sie sig sih sii sio sip sir sis sit siu soc soe sog soh soi soo sop sor sos sot sou spc spe spg sph spi spo spp spr sps spt spu sr- src sre srg srh sri sro srp srr srs srt ss- ssc sse ssg ssh ssi sso ssp ssr sss sst ssu stc ste stg sth sti sto stp str sts stt stu suc sue sug suh sui suo sup sur sus sut suu tcc tce tcg tch tci tco tcp tcr tcs tct tcu te- tec tee teg teh tei teo tep ter tes tet teu tgc tge tgg tgh tgi tgo tgp tgr tgs tgt tgu th- thc the thg thh thi tho thp thr ths tht thu tic tie tig tih tii tio tip tir tis tit tiu to- toc toe tog toh toi too top tor tos tot tou tpc tpe tpg tph tpi tpo tpp tpr tps tpt tpu trc tre trg trh tri tro trp trr trs trt tru tsc tse tsg tsh tsi tso tsp tsr tss tst tsu ttc tte ttg tth tti tto ttp ttr tts ttt ttu tuc tue tug tuh tui tuo tup tur tus tut tuu ucc uce ucg uch uci uco ucp ucr ucs uct ucu uec uee ueg ueh uei uep uer ues uet ugc uge ugg ugh ugi ugo ugp ugr ugs ugt ugu uhc uhe uhh uhi uho uhp uhr uhs uht uhu uic uie uig uii uio uip uir uis uit uiu uoc uoe uog uoo uop uor uos uot up- upc upe upg uph upi upo upp upr ups upt upu ur- urc ure urg uri uro urp urr urs urt uru usc use usg ush usi uso usp usr uss ust usu utc ute uth uti uto utp utr uts utt utu uuc uue uug uur uus uut uuu