-er -up a-a a-c a-q a-t aaa aac aae aap aaq aar aat aau ac- aca acc ace acp acq acr act acu aea aec aee aep aeq aer aet aeu ap- apa apc ape app apq apr apt apu aqa aqc aqp aqr aqt ar- ara arc are arp arq arr art aru at- ata atc ate atp atr att atu au- aua auc aue aup aur aut c-- caa cac cae cap caq car cat cau cca ccc cce ccp ccr cct ccu ce- cea cec cee cep ceq cer cet ceu cpa cpc cpe cpp cpq cpr cpt cpu cqa cqc cqt cra crc cre crp crq crr crt cru cta ctc cte ctp ctq ctr ctt ctu cua cuc cue cup cuq cur cut cuu eaa eac eae eap ear eat eau ec- eca ecc ece ecq ecr ect ecu eea eec eee eep eer eet ep- epa epc epe epp epq epr ept epu eqa eqe eqp eqq eqt equ era erc ere erp erq err ert eru eta etc ete etp etr ett etu eu- eua euc eue eup eur eut p-p paa pac pae pap paq par pat pau pca pcc pce pcp pcq pcr pct pcu pea pec pee pep per pet peu ppa ppc ppe ppp ppq ppr ppt ppu pqq pqr pra prc pre prp prq prr prt pru pt- pta ptc pte ptp ptq ptr ptt ptu pua puc pue pup pur put puu qaa qac qap qar qat qau qca qcc qcp qct qec qee qep qet qpc qpp qpr qqq qqu qra qrc qre qrp qrt qru qta qtc qtq qtr qu- qua que qur qut ra- raa rac rae rap raq rar rat rau rca rcc rce rcp rcr rct rcu re- rea rec ree rep req rer ret reu rpa rpc rpe rpp rpr rpt rpu rqc rra rrc rrp rrq rrr rrt rru rta rtc rte rtp rtq rtr rtt rtu rua ruc rue rup rur rut ruu taa tac tae tap taq tar tat tau tca tcc tce tcp tcr tct tcu te- tea tec tee tep teq ter tet teu tpa tpc tpe tpp tpq tpr tpt tpu tra trc tre trp trq trr trt tru tta ttc tte ttp ttr ttt ttu tua tuc tue tup tur tut tuu ua- uaa uac uae uap uaq uar uat uau uca ucc uce ucp ucr uct ucu uea uec uee uep uer uet up- upa upc upe upp upr upt upu ur- ura urc ure urp urr urt uru uta utc ute utp utr utt utu uua uuc uue uur uut uuu