spg spk spm spo spp spr sps spt spu sr- src sre srg srk srm sro srp srr srs srt ss- ssc sse ssg ssk ssm sso ssp ssr sss sst ssu stc ste stg stk stm sto stp str sts stt stu suc sue sug suk sum suo sup sur sus sut suu tcc tce tcg tck tcm tco tcp tcr tcs tct tcu te- tec tee teg tek tem teo tep ter tes tet teu tgc tge tgg tgk tgm tgo tgp tgr tgs tgt tgu tkc tke tkg tkk tkm tko tkp tkr tks tkt tmc tme tmg tmk tmm tmo tmp tmr tms tmt tmu to- toc toe tog tok tom too top tor tos tot tou tpc tpe tpg tpk tpm tpo tpp tpr tps tpt tpu trc tre trg trk trm tro trp trr trs trt tru tsc tse tsg tsk tsm tso tsp tsr tss tst tsu ttc tte ttg ttk ttm tto ttp ttr tts ttt ttu tuc tue tug tuk tum tuo tup tur tus tut tuu ucc uce ucg uck ucm uco ucp ucr ucs uct ucu uec uee ueg uem uep uer ues uet ugc uge ugg ugk ugm ugo ugp ugr ugs ugt ugu ukc uke ukk ukp ukr uku um- umc ume umg umm umo ump umr ums umt umu uoc uoe uog uok uom uoo uop uor uos uot up- upc upe upg upk upm upo upp upr ups upt upu ur- urc ure urg urk urm uro urp urr urs urt uru usc use usg usk usm uso usp usr uss ust usu utc ute utk utm uto utp utr uts utt utu uuc uue uug uum uur uus uut uuu