-er -up a-a aaa aae aan aap aar aau aav aea aee aen aep aer aeu aev an- ana ane ann anp anr anu anv ap- apa ape apn app apr apu apv ar- ara are arn arp arr aru arv au- aua aue aun aup aur auv av- ava ave avn avp avr avu eaa eae ean eap ear eau eav eea eee een eep eer eev en- ena ene enn enp enr enu env ep- epa epe epn epp epr epu era ere ern erp err eru erv eu- eua eue eun eup eur euv eva eve evn evp evr evv naa nae nan nap nar nau nav ne- nea nee nen nep ner neu nev nna nne nnn nnp nnu nnv npa npe npn npp npr npu npv nra nre nrn nrp nrr nru nrv nua nue nun nup nur nuu nuv nva nve nvn nvp nvu nvv p-p paa pae pan pap par pau pav pea pee pen pep per peu pev pn- pna pne pnn pnp pnr pnu pnv ppa ppe ppn ppp ppr ppu ppv pra pre prn prp prr pru prv pua pue pun pup pur puu pva pve pvn pvp pvr pvu pvv ra- raa rae ran rap rar rau rav re- rea ree ren rep rer reu rev rna rnn rnp rnr rnu rnv rpa rpe rpn rpp rpr rpu rpv rra rrn rrp rrr rru rua rue run rup rur ruu ruv rva rve rvn rvp rvr rvu rvv ua- uaa uae uan uap uar uau uav uea uee uen uep uer un- una une unn unp unr unu unv up- upa upe upn upp upr upu upv ur- ura ure urn urp urr uru uua uue uun uur uuu uva uve uvu uvv v-a v-e vaa vae van vap var vau vav vea vee ven vep ver veu vn- vna vnp vnr vnu vnv vpa vpe vpn vpp vpr vpu vra vre vrn vrp vrr vru vue vup vur vuv vva vvr vvv