-up a-a a-b aaa aab aad aan aap aau ab- aba abb abd abn abp abu ad- ada adb add adn adp adu an- ana anb and ann anp anu ap- apa apb apd apn app apu au- aua aub aud aun aup b-p b-u baa bab bad ban bap bau bba bbb bbd bbn bbp bbu bda bdb bdd bdp bdu bna bnb bnd bnn bnp bnu bpa bpb bpd bpn bpp bpu bua bub bud bun bup buu daa dab dad dan dap dau dba dbb dbd dbn dbp dbu dda ddb ddd ddn ddp ddu dna dnb dnd dnn dnp dpa dpb dpd dpn dpp dpu dua dub dud dun dup naa nab nad nan nap nau nba nbb nbd nbn nbp nbu nda ndb ndd ndn ndp ndu nna nnb nnn nnp nnu npa npb npd npn npp npu nua nub nud nun nup nuu p-p paa pab pad pan pap pau pba pbb pbd pbn pbp pbu pda pdb pdd pdn pdp pdu pn- pna pnb pnd pnn pnp pnu ppa ppb ppd ppn ppp ppu pua pub pud pun pup puu ua- uaa uab uad uan uap uau uba ubb ubn ubp ubu uda udb udd udn udp udu un- una unb und unn unp unu up- upa upb upd upn upp upu uua uun uuu