siu sk- ska skc ske ski skk skm sko skr sks skt sku sma smc sme smi smk smm smo smr sms smt smu soa soc soe soi sok som soo sor sos sot sou sr- sra src sre sri srk srm sro srr srs srt ss- ssa ssc sse ssi ssk ssm sso ssr sss sst ssu sta stc ste sti stk stm sto str sts stt stu sua suc sue sui suk sum suo sur sus sut suu taa tac tae tai tak tam tao tar tas tat tau tca tcc tce tci tck tcm tco tcr tcs tct tcu te- tea tec tee tei tek tem teo ter tes tet teu tia tic tie tii tik tim tio tir tis tit tiu tka tkc tke tkk tkm tko tkr tks tkt tma tmc tme tmi tmk tmm tmo tmr tms tmt tmu to- toa toc toe toi tok tom too tor tos tot tou tra trc tre tri trk trm tro trr trs trt tru tsa tsc tse tsi tsk tsm tso tsr tss tst tsu tta ttc tte tti ttk ttm tto ttr tts ttt ttu tua tuc tue tui tuk tum tuo tur tus tut tuu ua- uaa uac uae uai uak uam uao uar uas uat uau uca ucc uce uci uck ucm uco ucr ucs uct ucu uea uec uee uei uem uer ues uet uia uic uie uii uim uio uir uis uit uiu uka ukc uke uki ukk ukr uku um- uma umc ume umi umm umo umr ums umt umu uoa uoc uoe uok uom uoo uor uos uot ur- ura urc ure uri urk urm uro urr urs urt uru usa usc use usi usk usm uso usr uss ust usu uta utc ute uti utk utm uto utr uts utt utu uua uuc uue uum uur uus uut uuu