-up a-a a-b a-t aaa aab aad aae aap aat aau ab- aba abb abd abe abp abt abu ad- ada adb add ade adp adt adu aea aeb aed aee aep aet aeu ap- apa apb apd ape app apt apu at- ata atb atd ate atp att atu au- aua aub aud aue aup aut b-p b-u baa bab bad bae bap bat bau bba bbb bbd bbe bbp bbt bbu bda bdb bdd bde bdp bdt bdu be- bea beb bed bee bep bet beu bpa bpb bpd bpe bpp bpt bpu bta btb btd bte btp btt btu bua bub bud bue bup but buu daa dab dad dae dap dat dau dba dbb dbd dbe dbp dbt dbu dda ddb ddd dde ddp ddt ddu de- dea deb ded dee dep det deu dpa dpb dpd dpe dpp dpt dpu dta dtb dtd dte dtp dtt dtu dua dub dud due dup dut eaa eab ead eae eap eat eau eba ebb ebd ebe ebp ebt ebu ed- eda edb edd ede edp edt edu eea eeb eed eee eep eet ep- epa epb epd epe epp ept epu eta etb etd ete etp ett etu eu- eua eub eud eue eup eut p-p paa pab pad pae pap pat pau pba pbb pbd pbe pbp pbt pbu pda pdb pdd pde pdp pdt pdu pea peb ped pee pep pet peu ppa ppb ppd ppe ppp ppt ppu pt- pta ptb ptd pte ptp ptt ptu pua pub pud pue pup put puu taa tab tad tae tap tat tau tba tbb tbd tbe tbp tbt tbu tda tdb tdd tde tdp tdt tdu te- tea teb ted tee tep tet teu tpa tpb tpd tpe tpp tpt tpu tta ttb ttd tte ttp ttt ttu tua tub tud tue tup tut tuu ua- uaa uab uad uae uap uat uau uba ubb ube ubp ubt ubu uda udb udd ude udp udt udu uea ueb ued uee uep uet up- upa upb upd upe upp upt upu uta utb utd ute utp utt utu uua uue uut uuu