sni snk snm snn snr sns snt snu sr- src sre srh sri srk srm srn srr srs srt ss- ssc sse ssh ssi ssk ssm ssn ssr sss sst ssu stc ste sth sti stk stm stn str sts stt stu suc sue suh sui suk sum sun sur sus sut suu tcc tce tch tci tck tcm tcn tcr tcs tct tcu te- tec tee teh tei tek tem ten ter tes tet teu th- thc the thh thi thk thm thn thr ths tht thu tic tie tih tii tik tim tin tir tis tit tiu tkc tke tkk tkm tkr tks tkt tmc tme tmh tmi tmk tmm tmn tmr tms tmt tmu tnc tne tnh tni tnk tnm tnn tnr tns tnt trc tre trh tri trk trm trn trr trs trt tru tsc tse tsh tsi tsk tsm tsn tsr tss tst tsu ttc tte tth tti ttk ttm ttn ttr tts ttt ttu tuc tue tuh tui tuk tum tun tur tus tut tuu ucc uce uch uci uck ucm ucn ucr ucs uct ucu uec uee ueh uei uem uen uer ues uet uhc uhe uhh uhi uhm uhr uhs uht uhu uic uie uii uim uin uir uis uit uiu ukc uke uki ukk ukn ukr uku um- umc ume umh umi umm umn umr ums umt umu un- unc une unh uni unk unm unn unr uns unt unu ur- urc ure uri urk urm urn urr urs urt uru usc use ush usi usk usm usn usr uss ust usu utc ute uth uti utk utm utn utr uts utt utu uuc uue uum uun uur uus uut uuu