-up b-p b-u bbb bbd bbe bbi bbl bbp bbt bbu bdb bdd bde bdi bdl bdp bdt bdu be- beb bed bee bei bel bep bet beu bi- bib bid bie bii bil bip bit biu blb bld ble bli bll blp blt blu bpb bpd bpe bpi bpl bpp bpt bpu btb btd bte bti btl btp btt btu bub bud bue bui bul bup but buu dbb dbd dbe dbi dbl dbp dbt dbu ddb ddd dde ddi ddl ddp ddt ddu de- deb ded dee dei del dep det deu di- dib did die dii dil dip dit diu dl- dlb dld dle dli dll dlp dlt dlu dpb dpd dpe dpi dpl dpp dpt dpu dtb dtd dte dti dtl dtp dtt dtu dub dud due dui dul dup dut ebb ebd ebe ebi ebl ebp ebt ebu ed- edb edd ede edi edl edp edt edu eeb eed eee eel eep eet eib eid eie eii eil eip eit eiu elb eld ele eli ell elp elt elu ep- epb epd epe epi epl epp ept epu etb etd ete eti etl etp ett etu eu- eub eud eue eui eul eup eut i-d ibb ibd ibe ibi ibl ibp ibt ibu idb idd ide idi idl idp idt idu ie- ied iee iei iel iep iet iib iid iie iii iil iip iit iiu il- ilb ild ile ili ill ilp ilt ilu ipb ipd ipe ipi ipl ipp ipt ipu itb itd ite iti itl itp itt itu iu- iub iud iue iui iup iut l-p lbb lbd lbe lbi lbl lbp lbt lbu ldb ldd lde ldi ldl ldp ldt ldu leb led lee lei lel lep let leu lib lid lie lii lil lip lit liu llb lld lle lli lll llp llt llu lpb lpd lpe lpi lpl lpp lpt lpu ltb ltd lte lti ltl ltp ltt ltu lub lud lue lui lul lup lut luu p-p pbb pbd pbe pbi pbl pbp pbt pbu pdb pdd pde pdi pdl pdp pdt pdu peb ped pee pei pel pep pet peu pib pid pie pii pil pip pit piu plb pld ple pli pll plp plt plu ppb ppd ppe ppi ppl ppp ppt ppu pt- ptb ptd pte pti ptl ptp ptt ptu pub pud pue pui pul pup put puu tbb tbd tbe tbi tbl tbp tbt tbu tdb tdd tde tdi tdl tdp tdt tdu te- teb ted tee tei tel tep tet teu tib tid tie tii til tip tit tiu tld tle tli tll tlp tlt tlu tpb tpd tpe tpi tpl tpp tpt tpu ttb ttd tte tti ttl ttp ttt ttu tub tud tue tui tul tup tut tuu ubb ube ubi ubl ubp ubt ubu udb udd ude udi udl udp udt udu ueb ued uee uei uel uep uet uib uid uie uii uil uip uit uiu ulb uld ule uli ull ulp ult ulu up- upb upd upe upi upp upt upu utb utd ute uti utl utp utt utu uue uut uuu