qto qtq qtr qts qu- qua qud que qui quo qur qus qut ra- raa rad rae rai ran rao rap raq rar ras rat rau rda rdd rde rdi rdn rdo rdp rdr rds rdt rdu re- rea red ree rei ren reo rep req rer res ret reu ria rid rie rii rin rio rip riq rir ris rit rna rnd rni rnn rno rnp rnr rns rnt rnu roa rod roe roi ron roo rop ror ros rot rou rpa rpd rpe rpi rpn rpo rpp rpr rps rpt rpu rqn rqs rra rrd rri rrn rrp rrq rrr rrs rrt rru rsa rsd rse rsi rsn rso rsp rsq rsr rss rst rsu rta rtd rte rti rtn rto rtp rtq rtr rts rtt rtu rua rud rue rui run ruo rup rur rus rut ruu saa sad sae sai san sao sap saq sar sas sat sau sda sdd sde sdi sdn sdo sdp sdq sdr sds sdt sdu se- sea sed see sei sen seo sep seq ser ses set seu sia sid sie sii sin sio sip siq sir sis sit siu sna snd sne sni snn sno snp snr sns snt snu soa sod soe soi son soo sop soq sor sos sot sou spa spd spe spi spn spo spp spq spr sps spt spu sqa sqd sqi sqn sqq sqr sqs sr- sra srd sre sri srn sro srp srq srr srs srt ss- ssa ssd sse ssi ssn sso ssp ssq ssr sss sst ssu sta std ste sti stn sto stp stq str sts stt stu sua sud sue sui sun suo sup suq sur sus sut suu taa tad tae tai tan tao tap taq tar tas tat tau tda tdd tde tdi tdn tdo tdp tdr tds tdt tdu te- tea ted tee tei ten teo tep teq ter tes tet teu tia tid tie tii tin tio tip tir tis tit tiu tna tnd tne tni tnn tno tnp tnq tnr tns tnt to- toa tod toe toi ton too top toq tor tos tot tou tpa tpd tpe tpi tpn tpo tpp tpq tpr tps tpt tpu tqo tra trd tre tri trn tro trp trq trr trs trt tru tsa tsd tse tsi tsn tso tsp tsq tsr tss tst tsu tta ttd tte tti ttn tto ttp ttr tts ttt ttu tua tud tue tui tun tuo tup tur tus tut tuu ua- uaa uad uae uai uan uao uap uaq uar uas uat uau uda udd ude udi udn udo udp udr uds udt udu uea ued uee uei uen uep uer ues uet uia uid uie uii uin uio uip uiq uir uis uit uiu un- una und une uni unn uno unp unq unr uns unt unu uoa uod uoe uon uoo uop uor uos uot up- upa upd upe upi upn upo upp upr ups upt upu ur- ura urd ure uri urn uro urp urr urs urt uru usa usd use usi usn uso usp usr uss ust usu uta utd ute uti utn uto utp utr uts utt utu uua uue uun uur uus uut uuu