san sao sap sar sas sat sau sca scc scd sci scn sco scp scr scs sct scu sda sdc sdd sdi sdn sdo sdp sdr sds sdt sdu sia sic sid sii sin sio sip sir sis sit siu sna snc snd sni snn sno snp snr sns snt snu soa soc sod soi son soo sop sor sos sot sou spa spc spd spi spn spo spp spr sps spt spu sr- sra src srd sri srn sro srp srr srs srt ss- ssa ssc ssd ssi ssn sso ssp ssr sss sst ssu sta stc std sti stn sto stp str sts stt stu sua suc sud sui sun suo sup sur sus sut suu taa tac tad tai tan tao tap tar tas tat tau tca tcc tcd tci tcn tco tcp tcr tcs tct tcu tda tdc tdd tdi tdn tdo tdp tdr tds tdt tdu tia tic tid tii tin tio tip tir tis tit tiu tna tnc tnd tni tnn tno tnp tnr tns tnt to- toa toc tod toi ton too top tor tos tot tou tpa tpc tpd tpi tpn tpo tpp tpr tps tpt tpu tra trc trd tri trn tro trp trr trs trt tru tsa tsc tsd tsi tsn tso tsp tsr tss tst tsu tta ttc ttd tti ttn tto ttp ttr tts ttt ttu tua tuc tud tui tun tuo tup tur tus tut tuu ua- uaa uac uad uai uan uao uap uar uas uat uau uca ucc ucd uci ucn uco ucp ucr ucs uct ucu uda udc udd udi udn udo udp udr uds udt udu uia uic uid uii uin uio uip uir uis uit uiu un- una unc und uni unn uno unp unr uns unt unu uoa uoc uod uon uoo uop uor uos uot up- upa upc upd upi upn upo upp upr ups upt upu ur- ura urc urd uri urn uro urp urr urs urt uru usa usc usd usi usn uso usp usr uss ust usu uta utc utd uti utn uto utp utr uts utt utu uua uuc uun uur uus uut uuu