-ey -up b-p b-u bbb bbd bbe bbp bbs bbt bbu bby bdb bdd bde bdp bds bdt bdu bdy be- beb bed bee bep bes bet beu bey bpb bpd bpe bpp bps bpt bpu bpy bsb bsd bse bsp bss bst bsu bsy btb btd bte btp bts btt btu bty bub bud bue bup bus but buu buy by- byd bye byp bys byt byu dbb dbd dbe dbp dbs dbt dbu dby ddb ddd dde ddp dds ddt ddu ddy de- deb ded dee dep des det deu dey dpb dpd dpe dpp dps dpt dpu dsb dsd dse dsp dss dst dsu dsy dtb dtd dte dtp dts dtt dtu dty dub dud due dup dus dut duy dy- dyb dyd dye dyp dys dyu dyy ebb ebd ebe ebp ebs ebt ebu eby ed- edb edd ede edp eds edt edu edy eeb eed eee eep ees eet eey ep- epb epd epe epp eps ept epu es- esb esd ese esp ess est esu esy etb etd ete etp ets ett etu ety eu- eub eud eue eup eus eut eyd eye eyp eys eyt p-p pbb pbd pbe pbp pbs pbt pbu pby pdb pdd pde pdp pds pdt pdu peb ped pee pep pes pet peu pey ppb ppd ppe ppp pps ppt ppu ps- psb psd pse psp pss pst psu psy pt- ptb ptd pte ptp pts ptt ptu pty pub pud pue pup pus put puu puy py- pyb pyd pye pys pyt pyu sbb sbd sbe sbp sbs sbt sbu sby sdb sdd sde sdp sds sdt sdu sdy se- seb sed see sep ses set seu sey spb spd spe spp sps spt spu spy ss- ssb ssd sse ssp sss sst ssu stb std ste stp sts stt stu sty sub sud sue sup sus sut suu suy sy- syb syd sye syp sys syt syu tbb tbd tbe tbp tbs tbt tbu tdb tdd tde tdp tds tdt tdu tdy te- teb ted tee tep tes tet teu tey tpb tpd tpe tpp tps tpt tpu tsb tsd tse tsp tss tst tsu tsy ttb ttd tte ttp tts ttt ttu tty tub tud tue tup tus tut tuu tuy tyd tye typ tys tyt ubb ube ubp ubs ubt ubu uby udb udd ude udp uds udt udu ueb ued uee uep ues uet uey up- upb upd upe upp ups upt upu usb usd use usp uss ust usu utb utd ute utp uts utt utu uty uue uus uut uuu uys uyu ybe ybp ybs yby yde yds ydt ydy yeb yed yee yep yes yet yey ypd yps ypu ysb yse ysp yss yst ysu ysy ytd yte ytp yts ytt ytu yud yue yup yus yut yuu yuy yyb yye yys yyt yyu yyy