-er -up a-a a-c aaa aac aae aan aap aar aas aau ac- aca acc ace acn acp acr acs acu aea aec aee aen aep aer aes aeu an- ana anc ane ann anp anr ans anu ap- apa apc ape apn app apr aps apu ar- ara arc are arn arp arr ars aru as- asa asc ase asn asp asr ass asu au- aua auc aue aun aup aur aus c-- caa cac cae can cap car cas cau cca ccc cce ccn ccp ccr ccs ccu ce- cea cec cee cen cep cer ces ceu cn- cna cnc cne cnn cnp cnr cns cnu cpa cpc cpe cpn cpp cpr cps cpu cra crc cre crn crp crr crs cru csa csc cse csn csp csr css csu cua cuc cue cun cup cur cus cuu eaa eac eae ean eap ear eas eau ec- eca ecc ece ecn ecr ecs ecu eea eec eee een eep eer ees en- ena enc ene enn enp enr ens enu ep- epa epc epe epn epp epr eps epu era erc ere ern erp err ers eru es- esa esc ese esn esp esr ess esu eu- eua euc eue eun eup eur eus naa nac nae nan nap nar nas nau nca ncc nce ncn ncp ncr ncs ncu ne- nea nec nee nen nep ner nes neu nna nnc nne nnn nnp nns nnu npa npc npe npn npp npr nps npu nra nrc nre nrn nrp nrr nrs nru nsa nsc nse nsn nsp nsr nss nsu nua nuc nue nun nup nur nus nuu p-p paa pac pae pan pap par pas pau pca pcc pce pcn pcp pcr pcs pcu pea pec pee pen pep per pes peu pn- pna pnc pne pnn pnp pnr pns pnu ppa ppc ppe ppn ppp ppr pps ppu pra prc pre prn prp prr prs pru ps- psa psc pse psn psp psr pss psu pua puc pue pun pup pur pus puu ra- raa rac rae ran rap rar ras rau rca rcc rce rcn rcp rcr rcs rcu re- rea rec ree ren rep rer res reu rna rnc rnn rnp rnr rns rnu rpa rpc rpe rpn rpp rpr rps rpu rra rrc rrn rrp rrr rrs rru rsa rsc rse rsn rsp rsr rss rsu rua ruc rue run rup rur rus ruu saa sac sae san sap sar sas sau sca scc sce scn scp scr scs scu se- sea sec see sen sep ser ses seu sna snc sne snn snp snr sns snu spa spc spe spn spp spr sps spu sr- sra src sre srn srp srr srs ss- ssa ssc sse ssn ssp ssr sss ssu sua suc sue sun sup sur sus suu ua- uaa uac uae uan uap uar uas uau uca ucc uce ucn ucp ucr ucs ucu uea uec uee uen uep uer ues un- una unc une unn unp unr uns unu up- upa upc upe upn upp upr ups upu ur- ura urc ure urn urp urr urs uru usa usc use usn usp usr uss usu uua uuc uue uun uur uus uuu