-up a-a a-b a-t aaa aab aad aae aap aas aat aau ab- aba abb abd abe abp abs abt abu ad- ada adb add ade adp ads adt adu aea aeb aed aee aep aes aet aeu ap- apa apb apd ape app aps apt apu as- asa asb asd ase asp ass ast asu at- ata atb atd ate atp ats att atu au- aua aub aud aue aup aus aut b-p b-u baa bab bad bae bap bas bat bau bba bbb bbd bbe bbp bbs bbt bbu bda bdb bdd bde bdp bds bdt bdu be- bea beb bed bee bep bes bet beu bpa bpb bpd bpe bpp bps bpt bpu bsa bsb bsd bse bsp bss bst bsu bta btb btd bte btp bts btt btu bua bub bud bue bup bus but buu daa dab dad dae dap das dat dau dba dbb dbd dbe dbp dbs dbt dbu dda ddb ddd dde ddp dds ddt ddu de- dea deb ded dee dep des det deu dpa dpb dpd dpe dpp dps dpt dpu dsa dsb dsd dse dsp dss dst dsu dta dtb dtd dte dtp dts dtt dtu dua dub dud due dup dus dut eaa eab ead eae eap eas eat eau eba ebb ebd ebe ebp ebs ebt ebu ed- eda edb edd ede edp eds edt edu eea eeb eed eee eep ees eet ep- epa epb epd epe epp eps ept epu es- esa esb esd ese esp ess est esu eta etb etd ete etp ets ett etu eu- eua eub eud eue eup eus eut p-p paa pab pad pae pap pas pat pau pba pbb pbd pbe pbp pbs pbt pbu pda pdb pdd pde pdp pds pdt pdu pea peb ped pee pep pes pet peu ppa ppb ppd ppe ppp pps ppt ppu ps- psa psb psd pse psp pss pst psu pt- pta ptb ptd pte ptp pts ptt ptu pua pub pud pue pup pus put puu saa sab sad sae sap sas sat sau sba sbb sbd sbe sbp sbs sbt sbu sda sdb sdd sde sdp sds sdt sdu se- sea seb sed see sep ses set seu spa spb spd spe spp sps spt spu ss- ssa ssb ssd sse ssp sss sst ssu sta stb std ste stp sts stt stu sua sub sud sue sup sus sut suu taa tab tad tae tap tas tat tau tba tbb tbd tbe tbp tbs tbt tbu tda tdb tdd tde tdp tds tdt tdu te- tea teb ted tee tep tes tet teu tpa tpb tpd tpe tpp tps tpt tpu tsa tsb tsd tse tsp tss tst tsu tta ttb ttd tte ttp tts ttt ttu tua tub tud tue tup tus tut tuu ua- uaa uab uad uae uap uas uat uau uba ubb ube ubp ubs ubt ubu uda udb udd ude udp uds udt udu uea ueb ued uee uep ues uet up- upa upb upd upe upp ups upt upu usa usb usd use usp uss ust usu uta utb utd ute utp uts utt utu uua uue uus uut uuu