qre qri qrl qrp qrs qrt qru qsa qsc qsi qsl qsp qsr qst qta qtc qti qtq qtr qts qu- qua que qui qul qur qus qut ra- raa rac rae rai ral ran rap raq rar ras rat rau rca rcc rce rci rcl rcn rcp rcr rcs rct rcu re- rea rec ree rei rel ren rep req rer res ret reu ria ric rie rii ril rin rip riq rir ris rit rla rlc rle rli rll rln rlp rlr rls rlt rlu rna rnc rni rnn rnp rnr rns rnt rnu rpa rpc rpe rpi rpl rpn rpp rpr rps rpt rpu rqc rqn rqs rra rrc rri rrl rrn rrp rrq rrr rrs rrt rru rsa rsc rse rsi rsl rsn rsp rsq rsr rss rst rsu rta rtc rte rti rtl rtn rtp rtq rtr rts rtt rtu rua ruc rue rui run rup rur rus rut ruu saa sac sae sai sal san sap saq sar sas sat sau sca scc sce sci scl scn scp scr scs sct scu se- sea sec see sei sel sen sep seq ser ses set seu sia sic sie sii sil sin sip siq sir sis sit siu sla slc sle sli sll sln slp slq slr sls slt slu sna snc sne sni snl snn snp snr sns snt snu spa spc spe spi spl spn spp spq spr sps spt spu sqa sqi sql sqn sqq sqr sqs sr- sra src sre sri srl srn srp srq srr srs srt ss- ssa ssc sse ssi ssl ssn ssp ssq ssr sss sst ssu sta stc ste sti stl stn stp stq str sts stt stu sua suc sue sui sul sun sup suq sur sus sut suu taa tac tae tai tal tan tap taq tar tas tat tau tca tcc tce tci tcl tcn tcp tcr tcs tct tcu te- tea tec tee tei tel ten tep teq ter tes tet teu tia tic tie tii til tin tip tir tis tit tiu tla tlc tle tli tll tln tlp tlr tls tlt tlu tna tnc tne tni tnl tnn tnp tnq tnr tns tnt tpa tpc tpe tpi tpl tpn tpp tpq tpr tps tpt tpu tra trc tre tri trl trn trp trq trr trs trt tru tsa tsc tse tsi tsl tsn tsp tsq tsr tss tst tsu tta ttc tte tti ttl ttn ttp ttr tts ttt ttu tua tuc tue tui tul tun tup tur tus tut tuu ua- uaa uac uae uai ual uan uap uaq uar uas uat uau uca ucc uce uci ucl ucn ucp ucr ucs uct ucu uea uec uee uei uel uen uep uer ues uet uia uic uie uii uil uin uip uiq uir uis uit uiu ula ulc ule uli ull uln ulp ulr uls ult ulu un- una unc une uni unl unn unp unq unr uns unt unu up- upa upc upe upi upn upp upr ups upt upu ur- ura urc ure uri url urn urp urr urs urt uru usa usc use usi usl usn usp usr uss ust usu uta utc ute uti utl utn utp utr uts utt utu uua uuc uue uun uur uus uut uuu