sai san sap sas sat sau sca scc scd sce scg sci scn scp scs sct scu sda sdc sdd sde sdg sdi sdn sdp sds sdt sdu se- sea sec sed see seg sei sen sep ses set seu sga sgc sgd sge sgg sgi sgn sgp sgs sgt sgu sia sic sid sie sig sii sin sip sis sit siu sna snc snd sne sng sni snn snp sns snt snu spa spc spd spe spg spi spn spp sps spt spu ss- ssa ssc ssd sse ssg ssi ssn ssp sss sst ssu sta stc std ste stg sti stn stp sts stt stu sua suc sud sue sug sui sun sup sus sut suu taa tac tad tae tag tai tan tap tas tat tau tca tcc tcd tce tcg tci tcn tcp tcs tct tcu tda tdc tdd tde tdg tdi tdn tdp tds tdt tdu te- tea tec ted tee teg tei ten tep tes tet teu tga tgc tge tgg tgi tgn tgp tgs tgt tgu tia tic tid tie tig tii tin tip tis tit tiu tna tnc tnd tne tng tni tnn tnp tns tnt tpa tpc tpd tpe tpg tpi tpn tpp tps tpt tpu tsa tsc tsd tse tsg tsi tsn tsp tss tst tsu tta ttc ttd tte ttg tti ttn ttp tts ttt ttu tua tuc tud tue tug tui tun tup tus tut tuu ua- uaa uac uad uae uag uai uan uap uas uat uau uca ucc ucd uce ucg uci ucn ucp ucs uct ucu uda udc udd ude udg udi udn udp uds udt udu uea uec ued uee ueg uei uen uep ues uet uga ugc uge ugg ugi ugn ugp ugs ugt ugu uia uic uid uie uig uii uin uip uis uit uiu un- una unc und une ung uni unn unp uns unt unu up- upa upc upd upe upg upi upn upp ups upt upu usa usc usd use usg usi usn usp uss ust usu uta utc utd ute uti utn utp uts utt utu uua uuc uue uug uun uus uut uuu