-er -up a-a a-c aaa aac aad aae aan aap aar aau ac- aca acc acd ace acn acp acr acu ad- ada adc add ade adn adp adr adu aea aec aed aee aen aep aer aeu an- ana anc and ane ann anp anr anu ap- apa apc apd ape apn app apr apu ar- ara arc ard are arn arp arr aru au- aua auc aud aue aun aup aur c-- caa cac cad cae can cap car cau cca ccc ccd cce ccn ccp ccr ccu cda cdc cdd cde cdn cdp cdr cdu ce- cea cec ced cee cen cep cer ceu cn- cna cnc cnd cne cnn cnp cnr cnu cpa cpc cpd cpe cpn cpp cpr cpu cra crc crd cre crn crp crr cru cua cuc cud cue cun cup cur cuu daa dac dad dae dan dap dar dau dca dcc dcd dce dcn dcp dcr dcu dda ddc ddd dde ddn ddp ddr ddu de- dea dec ded dee den dep der deu dna dnc dnd dne dnn dnp dnr dpa dpc dpd dpe dpn dpp dpr dpu dra drc drd dre drn drp drr dru dua duc dud due dun dup dur eaa eac ead eae ean eap ear eau ec- eca ecc ecd ece ecn ecr ecu ed- eda edc edd ede edn edp edr edu eea eec eed eee een eep eer en- ena enc end ene enn enp enr enu ep- epa epc epd epe epn epp epr epu era erc erd ere ern erp err eru eu- eua euc eud eue eun eup eur naa nac nad nae nan nap nar nau nca ncc ncd nce ncn ncp ncr ncu nda ndc ndd nde ndn ndp ndr ndu ne- nea nec ned nee nen nep ner neu nna nnc nne nnn nnp nnu npa npc npd npe npn npp npr npu nra nrc nrd nre nrn nrp nrr nru nua nuc nud nue nun nup nur nuu p-p paa pac pad pae pan pap par pau pca pcc pcd pce pcn pcp pcr pcu pda pdc pdd pde pdn pdp pdr pdu pea pec ped pee pen pep per peu pn- pna pnc pnd pne pnn pnp pnr pnu ppa ppc ppd ppe ppn ppp ppr ppu pra prc prd pre prn prp prr pru pua puc pud pue pun pup pur puu ra- raa rac rad rae ran rap rar rau rca rcc rcd rce rcn rcp rcr rcu rda rdc rdd rde rdn rdp rdr rdu re- rea rec red ree ren rep rer reu rna rnc rnd rnn rnp rnr rnu rpa rpc rpd rpe rpn rpp rpr rpu rra rrc rrd rrn rrp rrr rru rua ruc rud rue run rup rur ruu ua- uaa uac uad uae uan uap uar uau uca ucc ucd uce ucn ucp ucr ucu uda udc udd ude udn udp udr udu uea uec ued uee uen uep uer un- una unc und une unn unp unr unu up- upa upc upd upe upn upp upr upu ur- ura urc urd ure urn urp urr uru uua uuc uue uun uur uuu