-er -up a-a aaa aad aae aap aar aau aav ad- ada add ade adp adr adu adv aea aed aee aep aer aeu aev ap- apa apd ape app apr apu apv ar- ara ard are arp arr aru arv au- aua aud aue aup aur auv av- ava avd ave avp avr avu daa dad dae dap dar dau dav dda ddd dde ddp ddr ddu de- dea ded dee dep der deu dev dpa dpd dpe dpp dpr dpu dpv dra drd dre drp drr dru drv dua dud due dup dur duv dva dvd dve dvp dvr dvu eaa ead eae eap ear eau eav ed- eda edd ede edp edr edu eea eed eee eep eer eev ep- epa epd epe epp epr epu era erd ere erp err eru erv eu- eua eud eue eup eur euv eva evd eve evp evr evv p-p paa pad pae pap par pau pav pda pdd pde pdp pdr pdu pdv pea ped pee pep per peu pev ppa ppd ppe ppp ppr ppu ppv pra prd pre prp prr pru prv pua pud pue pup pur puu pva pvd pve pvp pvr pvu pvv ra- raa rad rae rap rar rau rav rda rdd rde rdp rdr rdu rdv re- rea red ree rep rer reu rev rpa rpd rpe rpp rpr rpu rpv rra rrd rrp rrr rru rua rud rue rup rur ruu ruv rva rvd rve rvp rvr rvu rvv ua- uaa uad uae uap uar uau uav uda udd ude udp udr udu udv uea ued uee uep uer up- upa upd upe upp upr upu upv ur- ura urd ure urp urr uru uua uue uur uuu uva uve uvu uvv v-a v-e vaa vad vae vap var vau vav vdd vde vdp vdr vdu vdv vea ved vee vep ver veu vpa vpd vpe vpp vpr vpu vra vrd vre vrp vrr vru vue vup vur vuv vva vvr vvv