-up b-p b-u bbb bbd bbe bbi bbl bbp bbu bdb bdd bde bdi bdl bdp bdu be- beb bed bee bei bel bep beu bi- bib bid bie bii bil bip biu blb bld ble bli bll blp blu bpb bpd bpe bpi bpl bpp bpu bub bud bue bui bul bup buu dbb dbd dbe dbi dbl dbp dbu ddb ddd dde ddi ddl ddp ddu de- deb ded dee dei del dep deu di- dib did die dii dil dip diu dl- dlb dld dle dli dll dlp dlu dpb dpd dpe dpi dpl dpp dpu dub dud due dui dul dup ebb ebd ebe ebi ebl ebp ebu ed- edb edd ede edi edl edp edu eeb eed eee eel eep eib eid eie eii eil eip eiu elb eld ele eli ell elp elu ep- epb epd epe epi epl epp epu eu- eub eud eue eui eul eup i-d ibb ibd ibe ibi ibl ibp ibu idb idd ide idi idl idp idu ie- ied iee iei iel iep iib iid iie iii iil iip iiu il- ilb ild ile ili ill ilp ilu ipb ipd ipe ipi ipl ipp ipu iu- iub iud iue iui iup l-p lbb lbd lbe lbi lbl lbp lbu ldb ldd lde ldi ldl ldp ldu leb led lee lei lel lep leu lib lid lie lii lil lip liu llb lld lle lli lll llp llu lpb lpd lpe lpi lpl lpp lpu lub lud lue lui lul lup luu p-p pbb pbd pbe pbi pbl pbp pbu pdb pdd pde pdi pdl pdp pdu peb ped pee pei pel pep peu pib pid pie pii pil pip piu plb pld ple pli pll plp plu ppb ppd ppe ppi ppl ppp ppu pub pud pue pui pul pup puu ubb ube ubi ubl ubp ubu udb udd ude udi udl udp udu ueb ued uee uei uel uep uib uid uie uii uil uip uiu ulb uld ule uli ull ulp ulu up- upb upd upe upi upp upu uue uuu