slr sls slt slu smc sme smh sml smm smn smo smr sms smt smu snc sne snl snm snn sno snr sns snt snu soc soe soh sol som son soo sor sos sot sou sr- src sre srh srl srm srn sro srr srs srt ss- ssc sse ssh ssl ssm ssn sso ssr sss sst ssu stc ste sth stl stm stn sto str sts stt stu suc sue suh sul sum sun suo sur sus sut suu tcc tce tch tcl tcm tcn tco tcr tcs tct tcu te- tec tee teh tel tem ten teo ter tes tet teu th- thc the thh thl thm thn tho thr ths tht thu tlc tle tlh tll tlm tln tlo tlr tls tlt tlu tmc tme tmh tml tmm tmn tmo tmr tms tmt tmu tnc tne tnh tnl tnm tnn tno tnr tns tnt to- toc toe toh tol tom ton too tor tos tot tou trc tre trh trl trm trn tro trr trs trt tru tsc tse tsh tsl tsm tsn tso tsr tss tst tsu ttc tte tth ttl ttm ttn tto ttr tts ttt ttu tuc tue tuh tul tum tun tuo tur tus tut tuu ucc uce uch ucl ucm ucn uco ucr ucs uct ucu uec uee ueh uel uem uen uer ues uet uhc uhe uhh uhl uhm uho uhr uhs uht uhu ulc ule ull ulm uln ulo ulr uls ult ulu um- umc ume umh uml umm umn umo umr ums umt umu un- unc une unh unl unm unn uno unr uns unt unu uoc uoe uol uom uon uoo uor uos uot ur- urc ure url urm urn uro urr urs urt uru usc use ush usl usm usn uso usr uss ust usu utc ute uth utl utm utn uto utr uts utt utu uuc uue uum uun uur uus uut uuu