-up a-a a-b aaa aab aae aak aan aap aau ab- aba abb abe abk abn abp abu aea aeb aee aek aen aep aeu aka akb ake akk akn akp aku an- ana anb ane ank ann anp anu ap- apa apb ape apk apn app apu au- aua aub aue auk aun aup b-p b-u baa bab bae bak ban bap bau bba bbb bbe bbk bbn bbp bbu be- bea beb bee bek ben bep beu bka bkb bke bkk bkn bkp bna bnb bne bnk bnn bnp bnu bpa bpb bpe bpn bpp bpu bua bub bue buk bun bup buu eaa eab eae eak ean eap eau eba ebb ebe ebk ebn ebp ebu eea eeb eee eek een eep eka ekb eke ekp eku en- ena enb ene enk enn enp enu ep- epa epb epe epn epp epu eu- eua eub eue eun eup ka- kaa kab kae kak kan kap kau kba kbb kbe kbk kbn kbp kbu ke- kea keb kee kek ken kep kkb kke kkk kkn kkp kku kn- kna kne knk knn knp knu kpa kpe kpk kpn kpp kpu kub kue kuk kun kup kuu naa nab nae nak nan nap nau nba nbb nbe nbk nbn nbp nbu ne- nea neb nee nek nen nep neu nka nke nkk nkn nkp nku nna nnb nne nnk nnn nnp nnu npa npb npe npn npp npu nua nub nue nuk nun nup nuu p-p paa pab pae pak pan pap pau pba pbb pbe pbk pbn pbp pbu pea peb pee pek pen pep peu pka pkb pke pkn pkp pku pn- pna pnb pne pnk pnn pnp pnu ppa ppb ppe ppk ppn ppp ppu pua pub pue puk pun pup puu ua- uaa uab uae uak uan uap uau uba ubb ube ubk ubn ubp ubu uea ueb uee uen uep uka ukb uke ukk ukn ukp uku un- una unb une unk unn unp unu up- upa upb upe upk upn upp upu uua uue uun uuu