-up b-p b-u bbb bbd bbe bbn bbo bbp bbu bbx bdb bdd bde bdo bdp bdu bdx be- beb bed bee ben beo bep beu bex bnb bnd bne bnn bno bnp bnu bnx bob bod boe bon boo bop bou box bpb bpd bpe bpn bpo bpp bpu bpx bub bud bue bun buo bup buu bux bxb bxd bxn bxo bxx dbb dbd dbe dbn dbo dbp dbu dbx ddb ddd dde ddn ddo ddp ddu ddx de- deb ded dee den deo dep deu dex dnb dnd dne dnn dno dnp dob dod doe don doo dop dou dox dpb dpd dpe dpn dpo dpp dpu dub dud due dun duo dup dux dxd dxn dxo dxp dxx ebb ebd ebe ebn ebo ebp ebu ebx ed- edb edd ede edn edo edp edu edx eeb eed eee een eeo eep eex en- enb end ene enn eno enp enu eo- eob eod eoe eon eoo eop eou ep- epb epd epe epn epo epp epu epx eu- eub eud eue eun eup eux ex- exd exe exo exp exu exx nbb nbd nbe nbn nbo nbp nbu nbx ndb ndd nde ndn ndo ndp ndu ne- neb ned nee nen neo nep neu nex nnb nne nnn nno nnp nnu no- nob nod noe non noo nop nou nox npb npd npe npn npo npp npu nub nud nue nun nuo nup nuu nux nxd ob- obb obd obe obn obo obp obu obx odb odd ode odn odo odp odu oeb oed oee oen oeo oep oex on- onb ond one onn ono onp onu onx oo- oob ood oon ooo oop oox op- opb opd ope opn opo opp opx ou- oud oue oun ouo oup ox- oxb oxn oxo oxx p-p pbb pbd pbe pbn pbo pbp pbu pbx pdb pdd pde pdn pdo pdp pdu pdx peb ped pee pen peo pep peu pex pn- pnb pnd pne pnn pno pnp pnu pnx pob pod poe pon poo pop pou pox ppb ppd ppe ppn ppo ppp ppu ppx pub pud pue pun pup puu pxe ubb ube ubn ubo ubp ubu ubx udb udd ude udn udo udp udu udx ueb ued uee uen uep un- unb und une unn uno unp unu unx uob uod uoe uon uoo uop uox up- upb upd upe upn upo upp upu upx uue uun uuu uxb uxo uxu xbe xbx xdb xde xed xee xen xep xeu xex xno xnu xod xon xoo xop xox xpb xpd xpe xpn xpo xpp xue xun xup xxo xxp xxx