-up b-p b-u bbb bbd bbe bbl bbp bbs bbu bdb bdd bde bdl bdp bds bdu be- beb bed bee bel bep bes beu blb bld ble bll blp bls blu bpb bpd bpe bpl bpp bps bpu bsb bsd bse bsl bsp bss bsu bub bud bue bul bup bus buu dbb dbd dbe dbl dbp dbs dbu ddb ddd dde ddl ddp dds ddu de- deb ded dee del dep des deu dl- dlb dld dle dll dlp dls dlu dpb dpd dpe dpl dpp dps dpu dsb dsd dse dsl dsp dss dsu dub dud due dul dup dus ebb ebd ebe ebl ebp ebs ebu ed- edb edd ede edl edp eds edu eeb eed eee eel eep ees elb eld ele ell elp els elu ep- epb epd epe epl epp eps epu es- esb esd ese esl esp ess esu eu- eub eud eue eul eup eus l-p lbb lbd lbe lbl lbp lbs lbu ldb ldd lde ldl ldp lds ldu leb led lee lel lep les leu llb lld lle lll llp lls llu lpb lpd lpe lpl lpp lps lpu lsb lsd lse lsl lsp lss lsu lub lud lue lul lup lus luu p-p pbb pbd pbe pbl pbp pbs pbu pdb pdd pde pdl pdp pds pdu peb ped pee pel pep pes peu plb pld ple pll plp pls plu ppb ppd ppe ppl ppp pps ppu ps- psb psd pse psl psp pss psu pub pud pue pul pup pus puu sbb sbd sbe sbl sbp sbs sbu sdb sdd sde sdl sdp sds sdu se- seb sed see sel sep ses seu slb sld sle sll slp sls slu spb spd spe spl spp sps spu ss- ssb ssd sse ssl ssp sss ssu sub sud sue sul sup sus suu ubb ube ubl ubp ubs ubu udb udd ude udl udp uds udu ueb ued uee uel uep ues ulb uld ule ull ulp uls ulu up- upb upd upe upp ups upu usb usd use usl usp uss usu uue uus uuu