-ol -up b-p b-u bbb bbd bbe bbi bbl bbo bbp bbu bdb bdd bde bdi bdl bdo bdp bdu be- beb bed bee bei bel beo bep beu bi- bib bid bie bii bil bio bip biu blb bld ble bli bll blo blp blu bob bod boe boi bol boo bop bou bpb bpd bpe bpi bpl bpo bpp bpu bub bud bue bui bul buo bup buu dbb dbd dbe dbi dbl dbo dbp dbu ddb ddd dde ddi ddl ddo ddp ddu de- deb ded dee dei del deo dep deu di- dib did die dii dil dio dip diu dl- dlb dld dle dli dll dlo dlp dlu dob dod doe doi dol doo dop dou dpb dpd dpe dpi dpl dpo dpp dpu dub dud due dui dul duo dup ebb ebd ebe ebi ebl ebo ebp ebu ed- edb edd ede edi edl edo edp edu eeb eed eee eel eeo eep eib eid eie eii eil eio eip eiu elb eld ele eli ell elo elp elu eo- eob eod eoe eoi eol eoo eop eou ep- epb epd epe epi epl epo epp epu eu- eub eud eue eui eul eup i-d ibb ibd ibe ibi ibl ibo ibp ibu idb idd ide idi idl ido idp idu ie- ied iee iei iel iep iib iid iie iii iil iio iip iiu il- ilb ild ile ili ill ilo ilp ilu io- iob iod ioe ioi iol ioo iop iou ipb ipd ipe ipi ipl ipo ipp ipu iu- iub iud iue iui iup l-p lbb lbd lbe lbi lbl lbo lbp lbu ldb ldd lde ldi ldl ldo ldp ldu leb led lee lei lel leo lep leu lib lid lie lii lil lio lip liu llb lld lle lli lll llo llp llu lob lod loe loi lol loo lop lou lpb lpd lpe lpi lpl lpo lpp lpu lub lud lue lui lul luo lup luu o-i ob- obb obd obe obi obl obo obp obu odb odd ode odi odl odo odp odu oeb oed oee oei oel oeo oep oib oid oie oii oil oio oip oiu olb old ole oli oll olo olp olu oo- oob ood ooi ool ooo oop op- opb opd ope opi opl opo opp ou- oud oue oui oul ouo oup p-p pbb pbd pbe pbi pbl pbo pbp pbu pdb pdd pde pdi pdl pdo pdp pdu peb ped pee pei pel peo pep peu pib pid pie pii pil pio pip piu plb pld ple pli pll plo plp plu pob pod poe poi pol poo pop pou ppb ppd ppe ppi ppl ppo ppp ppu pub pud pue pui pul pup puu ubb ube ubi ubl ubo ubp ubu udb udd ude udi udl udo udp udu ueb ued uee uei uel uep uib uid uie uii uil uio uip uiu ulb uld ule uli ull ulo ulp ulu uob uod uoe uol uoo uop up- upb upd upe upi upo upp upu uue uuu