-er -up a-a a-c aaa aac aae aan aap aar aau aav ac- aca acc ace acn acp acr acu acv aea aec aee aen aep aer aeu aev an- ana anc ane ann anp anr anu anv ap- apa apc ape apn app apr apu apv ar- ara arc are arn arp arr aru arv au- aua auc aue aun aup aur auv av- ava avc ave avn avp avr avu c-- caa cac cae can cap car cau cav cca ccc cce ccn ccp ccr ccu ccv ce- cea cec cee cen cep cer ceu cev cn- cna cnc cne cnn cnp cnr cnu cnv cpa cpc cpe cpn cpp cpr cpu cpv cra crc cre crn crp crr cru crv cua cuc cue cun cup cur cuu cuv cva cvc cve cvn cvp cvr cvu cvv eaa eac eae ean eap ear eau eav ec- eca ecc ece ecn ecr ecu ecv eea eec eee een eep eer eev en- ena enc ene enn enp enr enu env ep- epa epc epe epn epp epr epu era erc ere ern erp err eru erv eu- eua euc eue eun eup eur euv eva evc eve evn evp evr evv naa nac nae nan nap nar nau nav nca ncc nce ncn ncp ncr ncu ncv ne- nea nec nee nen nep ner neu nev nna nnc nne nnn nnp nnu nnv npa npc npe npn npp npr npu npv nra nrc nre nrn nrp nrr nru nrv nua nuc nue nun nup nur nuu nuv nva nvc nve nvn nvp nvu nvv p-p paa pac pae pan pap par pau pav pca pcc pce pcn pcp pcr pcu pcv pea pec pee pen pep per peu pev pn- pna pnc pne pnn pnp pnr pnu pnv ppa ppc ppe ppn ppp ppr ppu ppv pra prc pre prn prp prr pru prv pua puc pue pun pup pur puu pva pvc pve pvn pvp pvr pvu pvv ra- raa rac rae ran rap rar rau rav rca rcc rce rcn rcp rcr rcu rcv re- rea rec ree ren rep rer reu rev rna rnc rnn rnp rnr rnu rnv rpa rpc rpe rpn rpp rpr rpu rpv rra rrc rrn rrp rrr rru rua ruc rue run rup rur ruu ruv rva rvc rve rvn rvp rvr rvu rvv ua- uaa uac uae uan uap uar uau uav uca ucc uce ucn ucp ucr ucu ucv uea uec uee uen uep uer un- una unc une unn unp unr unu unv up- upa upc upe upn upp upr upu upv ur- ura urc ure urn urp urr uru uua uuc uue uun uur uuu uva uvc uve uvu uvv v-a v-e vaa vac vae van vap var vau vav vca vcc vce vcn vcp vcr vcu vea vec vee ven vep ver veu vn- vna vnp vnr vnu vnv vpa vpc vpe vpn vpp vpr vpu vra vrc vre vrn vrp vrr vru vue vup vur vuv vva vvc vvr vvv