sau sba sbb sbi sbl sbn sbo sbp sbr sbs sbt sbu sia sib sii sil sin sio sip sir sis sit siu sla slb sli sll sln slo slp slr sls slt slu sna snb sni snl snn sno snp snr sns snt snu soa sob soi sol son soo sop sor sos sot sou spa spb spi spl spn spo spp spr sps spt spu sr- sra srb sri srl srn sro srp srr srs srt ss- ssa ssb ssi ssl ssn sso ssp ssr sss sst ssu sta stb sti stl stn sto stp str sts stt stu sua sub sui sul sun suo sup sur sus sut suu taa tab tai tal tan tao tap tar tas tat tau tba tbb tbi tbl tbn tbo tbp tbr tbs tbt tbu tia tib tii til tin tio tip tir tis tit tiu tla tli tll tln tlo tlp tlr tls tlt tlu tna tnb tni tnl tnn tno tnp tnr tns tnt to- toa tob toi tol ton too top tor tos tot tou tpa tpb tpi tpl tpn tpo tpp tpr tps tpt tpu tra trb tri trl trn tro trp trr trs trt tru tsa tsb tsi tsl tsn tso tsp tsr tss tst tsu tta ttb tti ttl ttn tto ttp ttr tts ttt ttu tua tub tui tul tun tuo tup tur tus tut tuu ua- uaa uab uai ual uan uao uap uar uas uat uau uba ubb ubi ubl ubn ubo ubp ubr ubs ubt ubu uia uib uii uil uin uio uip uir uis uit uiu ula ulb uli ull uln ulo ulp ulr uls ult ulu un- una unb uni unl unn uno unp unr uns unt unu uoa uob uol uon uoo uop uor uos uot up- upa upb upi upn upo upp upr ups upt upu ur- ura urb uri url urn uro urp urr urs urt uru usa usb usi usl usn uso usp usr uss ust usu uta utb uti utl utn uto utp utr uts utt utu uua uun uur uus uut uuu