-up a-a a-b aaa aab aae aao aap aau aav ab- aba abb abe abo abp abu abv aea aeb aee aeo aep aeu aev aoa aob aoe aoo aop aou aov ap- apa apb ape apo app apu apv au- aua aub aue auo aup auv av- ava avb ave avo avp avu b-p b-u baa bab bae bao bap bau bav bba bbb bbe bbo bbp bbu be- bea beb bee beo bep beu bev boa bob boe boo bop bou bov bpa bpb bpe bpo bpp bpu bpv bua bub bue buo bup buu bva bvb bve bvo bvp bvu bvv eaa eab eae eao eap eau eav eba ebb ebe ebo ebp ebu ebv eea eeb eee eeo eep eev eo- eoa eob eoe eoo eop eou ep- epa epb epe epo epp epu eu- eua eub eue eup euv eva evb eve evo evp evv oaa oab oae oao oap oau oav ob- oba obb obe obo obp obu obv oea oeb oee oeo oep oo- ooa oob ooo oop oov op- opa opb ope opo opp opv ou- oua oue ouo oup ov- ova ovb ove ovo ovp ovv p-p paa pab pae pao pap pau pav pba pbb pbe pbo pbp pbu pea peb pee peo pep peu pev poa pob poe poo pop pou pov ppa ppb ppe ppo ppp ppu ppv pua pub pue pup puu pva pvb pve pvo pvp pvu pvv ua- uaa uab uae uao uap uau uav uba ubb ube ubo ubp ubu ubv uea ueb uee uep uoa uob uoe uoo uop up- upa upb upe upo upp upu upv uua uue uuu uva uvb uve uvo uvu uvv v-a v-e vaa vab vae vao vap vau vav vba vbo vbv vea veb vee veo vep veu voa vob voe voo vop vou vov vpa vpb vpe vpo vpp vpu vue vup vuv vva vvb vvo vvv