sel sen seo ser ses set sh- shd she shh shi shl shn sho shr shs sht sid sie sih sii sij sil sin sio sir sis sit sjd sje sjh sji sjj sjr sjs sjt sld sle slh sli slj sll sln slo slr sls slt snd sne sni snj snl snn sno snr sns snt sod soe soh soi soj sol son soo sor sos sot sr- srd sre srh sri srj srl srn sro srr srs srt ss- ssd sse ssh ssi ssj ssl ssn sso ssr sss sst std ste sth sti stj stl stn sto str sts stt tdd tde tdh tdi tdl tdn tdo tdr tds tdt te- ted tee teh tei tej tel ten teo ter tes tet th- thd the thh thi thl thn tho thr ths tht tid tie tih tii til tin tio tir tis tit tjd tje tji tjo tjr tjs tld tle tlh tli tlj tll tln tlo tlr tls tlt tnd tne tnh tni tnl tnn tno tnr tns tnt to- tod toe toh toi toj tol ton too tor tos tot trd tre trh tri trl trn tro trr trs trt tsd tse tsh tsi tsj tsl tsn tso tsr tss tst ttd tte tth tti ttl ttn tto ttr tts ttt