sdl sdm sdn sdp sds sdt sdu se- sec sed see sei sel sem sen sep ses set seu sic sid sie sii sil sim sin sip sis sit siu slc sld sle sli sll slm sln slp sls slt slu smc smd sme smi sml smm smn smp sms smt smu snc snd sne sni snl snm snn snp sns snt snu spc spd spe spi spl spm spn spp sps spt spu ss- ssc ssd sse ssi ssl ssm ssn ssp sss sst ssu stc std ste sti stl stm stn stp sts stt stu suc sud sue sui sul sum sun sup sus sut suu tcc tcd tce tci tcl tcm tcn tcp tcs tct tcu tdc tdd tde tdi tdl tdm tdn tdp tds tdt tdu te- tec ted tee tei tel tem ten tep tes tet teu tic tid tie tii til tim tin tip tis tit tiu tlc tld tle tli tll tlm tln tlp tls tlt tlu tmc tmd tme tmi tml tmm tmn tmp tms tmt tmu tnc tnd tne tni tnl tnm tnn tnp tns tnt tpc tpd tpe tpi tpl tpm tpn tpp tps tpt tpu tsc tsd tse tsi tsl tsm tsn tsp tss tst tsu ttc ttd tte tti ttl ttm ttn ttp tts ttt ttu tuc tud tue tui tul tum tun tup tus tut tuu ucc ucd uce uci ucl ucm ucn ucp ucs uct ucu udc udd ude udi udl udm udn udp uds udt udu uec ued uee uei uel uem uen uep ues uet uic uid uie uii uil uim uin uip uis uit uiu ulc uld ule uli ull ulm uln ulp uls ult ulu um- umc umd ume umi uml umm umn ump ums umt umu un- unc und une uni unl unm unn unp uns unt unu up- upc upd upe upi upm upn upp ups upt upu usc usd use usi usl usm usn usp uss ust usu utc utd ute uti utl utm utn utp uts utt utu uuc uue uum uun uus uut uuu