-up a-a a-b aaa aab aae aak aao aap aau ab- aba abb abe abk abo abp abu aea aeb aee aek aeo aep aeu aka akb ake akk ako akp aku aoa aob aoe aok aoo aop aou ap- apa apb ape apk apo app apu au- aua aub aue auk auo aup b-p b-u baa bab bae bak bao bap bau bba bbb bbe bbk bbo bbp bbu be- bea beb bee bek beo bep beu bka bkb bke bkk bko bkp boa bob boe bok boo bop bou bpa bpb bpe bpo bpp bpu bua bub bue buk buo bup buu eaa eab eae eak eao eap eau eba ebb ebe ebk ebo ebp ebu eea eeb eee eek eeo eep eka ekb eke eko ekp eku eo- eoa eob eoe eok eoo eop eou ep- epa epb epe epo epp epu eu- eua eub eue eup ka- kaa kab kae kak kao kap kau kba kbb kbe kbk kbo kbp kbu ke- kea keb kee kek keo kep kkb kke kkk kkp kku koa kob koe kok koo kop kou kpa kpe kpk kpo kpp kpu kub kue kuk kup kuu oaa oab oae oak oao oap oau ob- oba obb obe obk obo obp obu oea oeb oee oeo oep oka okb oke okk oko okp oku oo- ooa oob ook ooo oop op- opa opb ope opk opo opp ou- oua oue ouk ouo oup p-p paa pab pae pak pao pap pau pba pbb pbe pbk pbo pbp pbu pea peb pee pek peo pep peu pka pkb pke pko pkp pku poa pob poe pok poo pop pou ppa ppb ppe ppk ppo ppp ppu pua pub pue puk pup puu ua- uaa uab uae uak uao uap uau uba ubb ube ubk ubo ubp ubu uea ueb uee uep uka ukb uke ukk ukp uku uoa uob uoe uok uoo uop up- upa upb upe upk upo upp upu uua uue uuu