-er -up a-a a-c a-t aaa aac aae aap aar aas aat aau ac- aca acc ace acp acr acs act acu aea aec aee aep aer aes aet aeu ap- apa apc ape app apr aps apt apu ar- ara arc are arp arr ars art aru as- asa asc ase asp asr ass ast asu at- ata atc ate atp atr ats att atu au- aua auc aue aup aur aus aut c-- caa cac cae cap car cas cat cau cca ccc cce ccp ccr ccs cct ccu ce- cea cec cee cep cer ces cet ceu cpa cpc cpe cpp cpr cps cpt cpu cra crc cre crp crr crs crt cru csa csc cse csp csr css cst csu cta ctc cte ctp ctr cts ctt ctu cua cuc cue cup cur cus cut cuu eaa eac eae eap ear eas eat eau ec- eca ecc ece ecr ecs ect ecu eea eec eee eep eer ees eet ep- epa epc epe epp epr eps ept epu era erc ere erp err ers ert eru es- esa esc ese esp esr ess est esu eta etc ete etp etr ets ett etu eu- eua euc eue eup eur eus eut p-p paa pac pae pap par pas pat pau pca pcc pce pcp pcr pcs pct pcu pea pec pee pep per pes pet peu ppa ppc ppe ppp ppr pps ppt ppu pra prc pre prp prr prs prt pru ps- psa psc pse psp psr pss pst psu pt- pta ptc pte ptp ptr pts ptt ptu pua puc pue pup pur pus put puu ra- raa rac rae rap rar ras rat rau rca rcc rce rcp rcr rcs rct rcu re- rea rec ree rep rer res ret reu rpa rpc rpe rpp rpr rps rpt rpu rra rrc rrp rrr rrs rrt rru rsa rsc rse rsp rsr rss rst rsu rta rtc rte rtp rtr rts rtt rtu rua ruc rue rup rur rus rut ruu saa sac sae sap sar sas sat sau sca scc sce scp scr scs sct scu se- sea sec see sep ser ses set seu spa spc spe spp spr sps spt spu sr- sra src sre srp srr srs srt ss- ssa ssc sse ssp ssr sss sst ssu sta stc ste stp str sts stt stu sua suc sue sup sur sus sut suu taa tac tae tap tar tas tat tau tca tcc tce tcp tcr tcs tct tcu te- tea tec tee tep ter tes tet teu tpa tpc tpe tpp tpr tps tpt tpu tra trc tre trp trr trs trt tru tsa tsc tse tsp tsr tss tst tsu tta ttc tte ttp ttr tts ttt ttu tua tuc tue tup tur tus tut tuu ua- uaa uac uae uap uar uas uat uau uca ucc uce ucp ucr ucs uct ucu uea uec uee uep uer ues uet up- upa upc upe upp upr ups upt upu ur- ura urc ure urp urr urs urt uru usa usc use usp usr uss ust usu uta utc ute utp utr uts utt utu uua uuc uue uur uus uut uuu