-er -up a-a a-c aaa aac aae aan aao aap aar aau ac- aca acc ace acn aco acp acr acu aea aec aee aen aeo aep aer aeu an- ana anc ane ann ano anp anr anu aoa aoc aoe aon aoo aop aor aou ap- apa apc ape apn apo app apr apu ar- ara arc are arn aro arp arr aru au- aua auc aue aun auo aup aur c-- caa cac cae can cao cap car cau cca ccc cce ccn cco ccp ccr ccu ce- cea cec cee cen ceo cep cer ceu cn- cna cnc cne cnn cno cnp cnr cnu co- coa coc coe con coo cop cor cou cpa cpc cpe cpn cpo cpp cpr cpu cra crc cre crn cro crp crr cru cua cuc cue cun cuo cup cur cuu eaa eac eae ean eao eap ear eau ec- eca ecc ece ecn eco ecr ecu eea eec eee een eeo eep eer en- ena enc ene enn eno enp enr enu eo- eoa eoc eoe eon eoo eop eor eou ep- epa epc epe epn epo epp epr epu era erc ere ern ero erp err eru eu- eua euc eue eun eup eur naa nac nae nan nao nap nar nau nca ncc nce ncn nco ncp ncr ncu ne- nea nec nee nen neo nep ner neu nna nnc nne nnn nno nnp nnu no- noa noc noe non noo nop nor nou npa npc npe npn npo npp npr npu nra nrc nre nrn nro nrp nrr nru nua nuc nue nun nuo nup nur nuu oaa oac oae oan oao oap oar oau oc- oca occ ocn oco ocp ocr ocu oea oec oee oen oeo oep oer on- ona onc one onn ono onp onr onu oo- ooa ooc oon ooo oop oor op- opa opc ope opn opo opp opr or- ora orc ore orn oro orp orr oru ou- oua ouc oue oun ouo oup our p-p paa pac pae pan pao pap par pau pca pcc pce pcn pco pcp pcr pcu pea pec pee pen peo pep per peu pn- pna pnc pne pnn pno pnp pnr pnu poa poc poe pon poo pop por pou ppa ppc ppe ppn ppo ppp ppr ppu pra prc pre prn pro prp prr pru pua puc pue pun pup pur puu ra- raa rac rae ran rao rap rar rau rca rcc rce rcn rco rcp rcr rcu re- rea rec ree ren reo rep rer reu rna rnc rnn rno rnp rnr rnu roa roc roe ron roo rop ror rou rpa rpc rpe rpn rpo rpp rpr rpu rra rrc rrn rrp rrr rru rua ruc rue run ruo rup rur ruu ua- uaa uac uae uan uao uap uar uau uca ucc uce ucn uco ucp ucr ucu uea uec uee uen uep uer un- una unc une unn uno unp unr unu uoa uoc uoe uon uoo uop uor up- upa upc upe upn upo upp upr upu ur- ura urc ure urn uro urp urr uru uua uuc uue uun uur uuu