-er -up a-a a-c aaa aac aae aan aao aap aar aas aau ac- aca acc ace acn aco acp acr acs acu aea aec aee aen aeo aep aer aes aeu an- ana anc ane ann ano anp anr ans anu aoa aoc aoe aon aoo aop aor aos aou ap- apa apc ape apn apo app apr aps apu ar- ara arc are arn aro arp arr ars aru as- asa asc ase asn aso asp asr ass asu au- aua auc aue aun auo aup aur aus c-- caa cac cae can cao cap car cas cau cca ccc cce ccn cco ccp ccr ccs ccu ce- cea cec cee cen ceo cep cer ces ceu cn- cna cnc cne cnn cno cnp cnr cns cnu co- coa coc coe con coo cop cor cos cou cpa cpc cpe cpn cpo cpp cpr cps cpu cra crc cre crn cro crp crr crs cru csa csc cse csn cso csp csr css csu cua cuc cue cun cuo cup cur cus cuu eaa eac eae ean eao eap ear eas eau ec- eca ecc ece ecn eco ecr ecs ecu eea eec eee een eeo eep eer ees en- ena enc ene enn eno enp enr ens enu eo- eoa eoc eoe eon eoo eop eor eos eou ep- epa epc epe epn epo epp epr eps epu era erc ere ern ero erp err ers eru es- esa esc ese esn eso esp esr ess esu eu- eua euc eue eun eup eur eus naa nac nae nan nao nap nar nas nau nca ncc nce ncn nco ncp ncr ncs ncu ne- nea nec nee nen neo nep ner nes neu nna nnc nne nnn nno nnp nns nnu no- noa noc noe non noo nop nor nos nou npa npc npe npn npo npp npr nps npu nra nrc nre nrn nro nrp nrr nrs nru nsa nsc nse nsn nso nsp nsr nss nsu nua nuc nue nun nuo nup nur nus nuu oaa oac oae oan oao oap oar oas oau oc- oca occ ocn oco ocp ocr ocs ocu oea oec oee oen oeo oep oer oes on- ona onc one onn ono onp onr ons onu oo- ooa ooc oon ooo oop oor oos op- opa opc ope opn opo opp opr ops or- ora orc ore orn oro orp orr ors oru os- osa osc ose osn oso osp osr oss osu ou- oua ouc oue oun ouo oup our ous p-p paa pac pae pan pao pap par pas pau pca pcc pce pcn pco pcp pcr pcs pcu pea pec pee pen peo pep per pes peu pn- pna pnc pne pnn pno pnp pnr pns pnu poa poc poe pon poo pop por pos pou ppa ppc ppe ppn ppo ppp ppr pps ppu pra prc pre prn pro prp prr prs pru ps- psa psc pse psn pso psp psr pss psu pua puc pue pun pup pur pus puu ra- raa rac rae ran rao rap rar ras rau rca rcc rce rcn rco rcp rcr rcs rcu re- rea rec ree ren reo rep rer res reu rna rnc rnn rno rnp rnr rns rnu roa roc roe ron roo rop ror ros rou rpa rpc rpe rpn rpo rpp rpr rps rpu rra rrc rrn rrp rrr rrs rru rsa rsc rse rsn rso rsp rsr rss rsu rua ruc rue run ruo rup rur rus ruu saa sac sae san sao sap sar sas sau sca scc sce scn sco scp scr scs scu se- sea sec see sen seo sep ser ses seu sna snc sne snn sno snp snr sns snu soa soc soe son soo sop sor sos sou spa spc spe spn spo spp spr sps spu sr- sra src sre srn sro srp srr srs ss- ssa ssc sse ssn sso ssp ssr sss ssu sua suc sue sun suo sup sur sus suu ua- uaa uac uae uan uao uap uar uas uau uca ucc uce ucn uco ucp ucr ucs ucu uea uec uee uen uep uer ues un- una unc une unn uno unp unr uns unu uoa uoc uoe uon uoo uop uor uos up- upa upc upe upn upo upp upr ups upu ur- ura urc ure urn uro urp urr urs uru usa usc use usn uso usp usr uss usu uua uuc uue uun uur uus uuu