-up a-a a-b a-t aaa aab aad aan aap aat aau ab- aba abb abd abn abp abt abu ad- ada adb add adn adp adt adu an- ana anb and ann anp ant anu ap- apa apb apd apn app apt apu at- ata atb atd atn atp att atu au- aua aub aud aun aup aut b-p b-u baa bab bad ban bap bat bau bba bbb bbd bbn bbp bbt bbu bda bdb bdd bdp bdt bdu bna bnb bnd bnn bnp bnt bnu bpa bpb bpd bpn bpp bpt bpu bta btb btd btn btp btt btu bua bub bud bun bup but buu daa dab dad dan dap dat dau dba dbb dbd dbn dbp dbt dbu dda ddb ddd ddn ddp ddt ddu dna dnb dnd dnn dnp dnt dpa dpb dpd dpn dpp dpt dpu dta dtb dtd dtn dtp dtt dtu dua dub dud dun dup dut naa nab nad nan nap nat nau nba nbb nbd nbn nbp nbt nbu nda ndb ndd ndn ndp ndt ndu nna nnb nnn nnp nnt nnu npa npb npd npn npp npt npu nta ntb ntd ntn ntp ntt ntu nua nub nud nun nup nut nuu p-p paa pab pad pan pap pat pau pba pbb pbd pbn pbp pbt pbu pda pdb pdd pdn pdp pdt pdu pn- pna pnb pnd pnn pnp pnt pnu ppa ppb ppd ppn ppp ppt ppu pt- pta ptb ptd ptn ptp ptt ptu pua pub pud pun pup put puu taa tab tad tan tap tat tau tba tbb tbd tbn tbp tbt tbu tda tdb tdd tdn tdp tdt tdu tna tnb tnd tnn tnp tnt tpa tpb tpd tpn tpp tpt tpu tta ttb ttd ttn ttp ttt ttu tua tub tud tun tup tut tuu ua- uaa uab uad uan uap uat uau uba ubb ubn ubp ubt ubu uda udb udd udn udp udt udu un- una unb und unn unp unt unu up- upa upb upd upn upp upt upu uta utb utd utn utp utt utu uua uun uut uuu