qrs qrt qru qsa qsc qsi qsm qso qsr qst qta qtc qti qtm qto qtq qtr qts qu- qua que qui qum quo qur qus qut ra- raa rac rae rai ram ran rao raq rar ras rat rau rca rcc rce rci rcm rcn rco rcr rcs rct rcu re- rea rec ree rei rem ren reo req rer res ret reu ria ric rie rii rim rin rio riq rir ris rit rma rmc rme rmi rmm rmn rmo rmq rmr rms rmt rna rnc rni rnm rnn rno rnr rns rnt rnu roa roc roe roi rom ron roo ror ros rot rou rqc rqm rqn rqs rra rrc rri rrm rrn rrq rrr rrs rrt rru rsa rsc rse rsi rsm rsn rso rsq rsr rss rst rsu rta rtc rte rti rtm rtn rto rtq rtr rts rtt rtu rua ruc rue rui rum run ruo rur rus rut ruu saa sac sae sai sam san sao saq sar sas sat sau sca scc sce sci scm scn sco scr scs sct scu se- sea sec see sei sem sen seo seq ser ses set seu sia sic sie sii sim sin sio siq sir sis sit siu sma smc sme smi smm smn smo smr sms smt smu sna snc sne sni snm snn sno snr sns snt snu soa soc soe soi som son soo soq sor sos sot sou sqa sqi sqm sqn sqq sqr sqs sr- sra src sre sri srm srn sro srq srr srs srt ss- ssa ssc sse ssi ssm ssn sso ssq ssr sss sst ssu sta stc ste sti stm stn sto stq str sts stt stu sua suc sue sui sum sun suo suq sur sus sut suu taa tac tae tai tam tan tao taq tar tas tat tau tca tcc tce tci tcm tcn tco tcr tcs tct tcu te- tea tec tee tei tem ten teo teq ter tes tet teu tia tic tie tii tim tin tio tir tis tit tiu tma tmc tme tmi tmm tmn tmo tmq tmr tms tmt tmu tna tnc tne tni tnm tnn tno tnq tnr tns tnt to- toa toc toe toi tom ton too toq tor tos tot tou tqm tqo tra trc tre tri trm trn tro trq trr trs trt tru tsa tsc tse tsi tsm tsn tso tsq tsr tss tst tsu tta ttc tte tti ttm ttn tto ttr tts ttt ttu tua tuc tue tui tum tun tuo tur tus tut tuu ua- uaa uac uae uai uam uan uao uaq uar uas uat uau uca ucc uce uci ucm ucn uco ucr ucs uct ucu uea uec uee uei uem uen uer ues uet uia uic uie uii uim uin uio uiq uir uis uit uiu um- uma umc ume umi umm umn umo umr ums umt umu un- una unc une uni unm unn uno unq unr uns unt unu uoa uoc uoe uom uon uoo uor uos uot ur- ura urc ure uri urm urn uro urr urs urt uru usa usc use usi usm usn uso usr uss ust usu uta utc ute uti utm utn uto utr uts utt utu uua uuc uue uum uun uur uus uut uuu