-ol -up b-p b-u bbb bbd bbe bbi bbl bbo bbp bbu bbx bdb bdd bde bdi bdl bdo bdp bdu bdx be- beb bed bee bei bel beo bep beu bex bi- bib bid bie bii bil bio bip biu bix blb bld ble bli bll blo blp blu blx bob bod boe boi bol boo bop bou box bpb bpd bpe bpi bpl bpo bpp bpu bpx bub bud bue bui bul buo bup buu bux bxb bxd bxi bxl bxo bxx dbb dbd dbe dbi dbl dbo dbp dbu dbx ddb ddd dde ddi ddl ddo ddp ddu ddx de- deb ded dee dei del deo dep deu dex di- dib did die dii dil dio dip diu dix dl- dlb dld dle dli dll dlo dlp dlu dlx dob dod doe doi dol doo dop dou dox dpb dpd dpe dpi dpl dpo dpp dpu dub dud due dui dul duo dup dux dxd dxi dxl dxo dxp dxx ebb ebd ebe ebi ebl ebo ebp ebu ebx ed- edb edd ede edi edl edo edp edu edx eeb eed eee eel eeo eep eex eib eid eie eii eil eio eip eiu eix elb eld ele eli ell elo elp elu elx eo- eob eod eoe eoi eol eoo eop eou ep- epb epd epe epi epl epo epp epu epx eu- eub eud eue eui eul eup eux ex- exd exe exi exl exo exp exu exx i-d ibb ibd ibe ibi ibl ibo ibp ibu ibx idb idd ide idi idl ido idp idu idx ie- ied iee iei iel iep iex iib iid iie iii iil iio iip iiu iix il- ilb ild ile ili ill ilo ilp ilu ilx io- iob iod ioe ioi iol ioo iop iou ipb ipd ipe ipi ipl ipo ipp ipu ipx iu- iub iud iue iui iup ixe ixi ixl l-p lbb lbd lbe lbi lbl lbo lbp lbu lbx ldb ldd lde ldi ldl ldo ldp ldu leb led lee lei lel leo lep leu lex lib lid lie lii lil lio lip liu lix llb lld lle lli lll llo llp llu lob lod loe loi lol loo lop lou lox lpb lpd lpe lpi lpl lpo lpp lpu lpx lub lud lue lui lul luo lup luu lux lxd lxi lxo lxx o-i ob- obb obd obe obi obl obo obp obu obx odb odd ode odi odl odo odp odu oeb oed oee oei oel oeo oep oex oib oid oie oii oil oio oip oiu olb old ole oli oll olo olp olu oo- oob ood ooi ool ooo oop oox op- opb opd ope opi opl opo opp opx ou- oud oue oui oul ouo oup ox- oxb oxi oxo oxx p-p pbb pbd pbe pbi pbl pbo pbp pbu pbx pdb pdd pde pdi pdl pdo pdp pdu pdx peb ped pee pei pel peo pep peu pex pib pid pie pii pil pio pip piu pix plb pld ple pli pll plo plp plu plx pob pod poe poi pol poo pop pou pox ppb ppd ppe ppi ppl ppo ppp ppu ppx pub pud pue pui pul pup puu pxe pxl ubb ube ubi ubl ubo ubp ubu ubx udb udd ude udi udl udo udp udu udx 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 uox up- upb upd upe upi upo upp upu upx uue uuu uxb uxo uxu xbe xbl xbx xdb xde xdi xed xee xel xep xeu xex xie xii xio xiu xix xlb xld xli xod xoi xoo xop xox xpb xpd xpe xpl xpo xpp xue xui xul xup xxi xxl xxo xxp xxx