sgs sgt sgu sic sig sii sil sim sin sio sip sis sit siu slc slg sli sll slm sln slo slp sls slt slu smc smg smi sml smm smn smo smp sms smt smu snc sng sni snl snm snn sno snp sns snt snu soc sog soi sol som son soo sop sos sot sou spc spg spi spl spm spn spo spp sps spt spu ss- ssc ssg ssi ssl ssm ssn sso ssp sss sst ssu stc stg sti stl stm stn sto stp sts stt stu suc sug sui sul sum sun suo sup sus sut suu tcc tcg tci tcl tcm tcn tco tcp tcs tct tcu tgc tgg tgi tgl tgm tgn tgo tgp tgs tgt tgu tic tig tii til tim tin tio tip tis tit tiu tlc tlg tli tll tlm tln tlo tlp tls tlt tlu tmc tmg tmi tml tmm tmn tmo tmp tms tmt tmu tnc tng tni tnl tnm tnn tno tnp tns tnt to- toc tog toi tol tom ton too top tos tot tou tpc tpg tpi tpl tpm tpn tpo tpp tps tpt tpu tsc tsg tsi tsl tsm tsn tso tsp tss tst tsu ttc ttg tti ttl ttm ttn tto ttp tts ttt ttu tuc tug tui tul tum tun tuo tup tus tut tuu ucc ucg uci ucl ucm ucn uco ucp ucs uct ucu ugc ugg ugi ugl ugm ugn ugo ugp ugs ugt ugu uic uig uii uil uim uin uio uip uis uit uiu ulc ulg uli ull ulm uln ulo ulp uls ult ulu um- umc umg umi uml umm umn umo ump ums umt umu un- unc ung uni unl unm unn uno unp uns unt unu uoc uog uol uom uon uoo uop uos uot up- upc upg upi upm upn upo upp ups upt upu usc usg usi usl usm usn uso usp uss ust usu utc uti utl utm utn uto utp uts utt utu uuc uug uum uun uus uut uuu