rfn rfo rfr rfs rft rfu rlc rld rle rlf rll rln rlo rlr rls rlt rlu rly rnc rnd rnn rno rnr rns rnt rnu rny roc rod roe rof rol ron roo ror ros rot rou roy rrc rrd rrf rrl rrn rrr rrs rrt rru rsc rsd rse rsf rsl rsn rso rsr rss rst rsu rtc rtd rte rtf rtl rtn rto rtr rts rtt rtu rty ruc rud rue ruf run ruo rur rus rut ruu ruy ry- ryc ryd rye ryf ryn ryo ryr rys ryu ryy scc scd sce scf scl scn sco scr scs sct scu sdc sdd sde sdf sdl sdn sdo sdr sds sdt sdu sdy se- sec sed see sef sel sen seo ser ses set seu sey sfc sfd sfe sff sfl sfn sfo sfr sfs sft sfu slc sld sle slf sll sln slo slr sls slt slu sly snc snd sne snf snl snn sno snr sns snt snu sny soc sod soe sof sol son soo sor sos sot sou soy sr- src srd sre srf srl srn sro srr srs srt sry ss- ssc ssd sse ssf ssl ssn sso ssr sss sst ssu stc std ste stf stl stn sto str sts stt stu sty suc sud sue suf sul sun suo sur sus sut suu suy sy- syc syd sye syl syn syr sys syt syu tcc tcd tce tcf tcl tcn tco tcr tcs tct tcu tdc tdd tde tdf tdl tdn tdo tdr tds tdt tdu tdy te- tec ted tee tef tel ten teo ter tes tet teu tey tfc tfd tfe tff tfl tfn tfo tfr tfs tft tfu tlc tld tle tlf tll tln tlo tlr tls tlt tlu tnc tnd tne tnf tnl tnn tno tnr tns tnt to- toc tod toe tof tol ton too tor tos tot tou toy trc trd tre trf trl trn tro trr trs trt tru try tsc tsd tse tsf tsl tsn tso tsr tss tst tsu tsy ttc ttd tte ttf ttl ttn tto ttr tts ttt ttu tty tuc tud tue tuf tul tun tuo tur tus tut tuu tuy tyc tyd tye tyf tyl tyn tyo tyr tys tyt ucc ucd uce ucf ucl ucn uco ucr ucs uct ucu udc udd ude udf udl udn udo udr uds udt udu uec ued uee uef uel uen uer ues uet uey ufc ufd ufe uff ufl ufn ufo ufr ufs uft ufu ulc uld ule ulf ull uln ulo ulr uls ult ulu uly un- unc und une unf unl unn uno unr uns unt unu uny uoc uod uoe uol uon uoo uor uos uot ur- urc urd ure urf url urn uro urr urs urt uru ury usc usd use usf usl usn uso usr uss ust usu utc utd ute utf utl utn uto utr uts utt utu uty uuc uue uun uur uus uut uuu uyc uyo uys uyu ycc ycd yce ycf ycl yco ycs ycu ycy yde ydl ydn ydo yds ydt ydy yec yed yee yef yel yen yeo yer yes yet yey yfc yfd yfe yff yfr yfs yft yfu ylc yld yle yll ylr yls ylt yly ynd yne ynn yns ynu yny yoc yod yoe yof yol yon yoo yor yos yot you yoy yrc yre yrf yrn yro yrs yrt yru ysc yse ysl yso ysr yss yst ysu ysy ytc ytd yte ytf ytl ytn yto ytr yts ytt ytu yud yue yul yun yuo yur yus yut yuu yuy yyc yye yyf yys yyt yyu yyy