sin sio sip sir sis sit siu smc smg smi smm smn smo smp smr sms smt smu snc sng sni snm snn sno snp snr sns snt snu soc sog soi som son soo sop sor sos sot sou spc spg spi spm spn spo spp spr sps spt spu sr- src srg sri srm srn sro srp srr srs srt ss- ssc ssg ssi ssm ssn sso ssp ssr sss sst ssu stc stg sti stm stn sto stp str sts stt stu suc sug sui sum sun suo sup sur sus sut suu tcc tcg tci tcm tcn tco tcp tcr tcs tct tcu tgc tgg tgi tgm tgn tgo tgp tgr tgs tgt tgu tic tig tii tim tin tio tip tir tis tit tiu tmc tmg tmi tmm tmn tmo tmp tmr tms tmt tmu tnc tng tni tnm tnn tno tnp tnr tns tnt to- toc tog toi tom ton too top tor tos tot tou tpc tpg tpi tpm tpn tpo tpp tpr tps tpt tpu trc trg tri trm trn tro trp trr trs trt tru tsc tsg tsi tsm tsn tso tsp tsr tss tst tsu ttc ttg tti ttm ttn tto ttp ttr tts ttt ttu tuc tug tui tum tun tuo tup tur tus tut tuu ucc ucg uci ucm ucn uco ucp ucr ucs uct ucu ugc ugg ugi ugm ugn ugo ugp ugr ugs ugt ugu uic uig uii uim uin uio uip uir uis uit uiu um- umc umg umi umm umn umo ump umr ums umt umu un- unc ung uni unm unn uno unp unr uns unt unu uoc uog uom uon uoo uop uor uos uot up- upc upg upi upm upn upo upp upr ups upt upu ur- urc urg uri urm urn uro urp urr urs urt uru usc usg usi usm usn uso usp usr uss ust usu utc uti utm utn uto utp utr uts utt utu uuc uug uum uun uur uus uut uuu