-up a-a a-b a-c a-t aaa aab aac aad aae aap aat aau ab- aba abb abc abd abe abp abt abu ac- aca acb acc acd ace acp act acu ad- ada adb adc add ade adp adt adu aea aeb aec aed aee aep aet aeu ap- apa apb apc apd ape app apt apu at- ata atb atc atd ate atp att atu au- aua aub auc aud aue aup aut b-p b-u baa bab bac bad bae bap bat bau bba bbb bbc bbd bbe bbp bbt bbu bca bcb bcc bcd bce bcp bct bcu bda bdb bdc bdd bde bdp bdt bdu be- bea beb bec bed bee bep bet beu bpa bpb bpc bpd bpe bpp bpt bpu bta btb btc btd bte btp btt btu bua bub buc bud bue bup but buu c-- caa cab cac cad cae cap cat cau cba cbb cbc cbd cbe cbp cbt cbu cca ccb ccc ccd cce ccp cct ccu cda cdb cdc cdd cde cdp cdt cdu ce- cea ceb cec ced cee cep cet ceu cpa cpb cpc cpd cpe cpp cpt cpu cta ctb ctc ctd cte ctp ctt ctu cua cub cuc cud cue cup cut cuu daa dab dac dad dae dap dat dau dba dbb dbc dbd dbe dbp dbt dbu dca dcb dcc dcd dce dcp dct dcu dda ddb ddc ddd dde ddp ddt ddu de- dea deb dec ded dee dep det deu dpa dpb dpc dpd dpe dpp dpt dpu dta dtb dtc dtd dte dtp dtt dtu dua dub duc dud due dup dut eaa eab eac ead eae eap eat eau eba ebb ebc ebd ebe ebp ebt ebu ec- eca ecb ecc ecd ece ect ecu ed- eda edb edc edd ede edp edt edu eea eeb eec eed eee eep eet ep- epa epb epc epd epe epp ept epu eta etb etc etd ete etp ett etu eu- eua eub euc eud eue eup eut p-p paa pab pac pad pae pap pat pau pba pbb pbc pbd pbe pbp pbt pbu pca pcb pcc pcd pce pcp pct pcu pda pdb pdc pdd pde pdp pdt pdu pea peb pec ped pee pep pet peu ppa ppb ppc ppd ppe ppp ppt ppu pt- pta ptb ptc ptd pte ptp ptt ptu pua pub puc pud pue pup put puu taa tab tac tad tae tap tat tau tba tbb tbc tbd tbe tbp tbt tbu tca tcb tcc tcd tce tcp tct tcu tda tdb tdc tdd tde tdp tdt tdu te- tea teb tec ted tee tep tet teu tpa tpb tpc tpd tpe tpp tpt tpu tta ttb ttc ttd tte ttp ttt ttu tua tub tuc tud tue tup tut tuu ua- uaa uab uac uad uae uap uat uau uba ubb ubc ube ubp ubt ubu uca ucb ucc ucd uce ucp uct ucu uda udb udc udd ude udp udt udu uea ueb uec ued uee uep uet up- upa upb upc upd upe upp upt upu uta utb utc utd ute utp utt utu uua uuc uue uut uuu