-up b-p b-u bbb bbd bbe bbo bbp bbu bbx bdb bdd bde bdo bdp bdu bdx be- beb bed bee beo bep beu bex bob bod boe boo bop bou box bpb bpd bpe bpo bpp bpu bpx bub bud bue buo bup buu bux bxb bxd bxo bxx dbb dbd dbe dbo dbp dbu dbx ddb ddd dde ddo ddp ddu ddx de- deb ded dee deo dep deu dex dob dod doe doo dop dou dox dpb dpd dpe dpo dpp dpu dub dud due duo dup dux dxd dxo dxp dxx ebb ebd ebe ebo ebp ebu ebx ed- edb edd ede edo edp edu edx eeb eed eee eeo eep eex eo- eob eod eoe eoo eop eou ep- epb epd epe epo epp epu epx eu- eub eud eue eup eux ex- exd exe exo exp exu exx ob- obb obd obe obo obp obu obx odb odd ode odo odp odu oeb oed oee oeo oep oex oo- oob ood ooo oop oox op- opb opd ope opo opp opx ou- oud oue ouo oup ox- oxb oxo oxx p-p pbb pbd pbe pbo pbp pbu pbx pdb pdd pde pdo pdp pdu pdx peb ped pee peo pep peu pex pob pod poe poo pop pou pox ppb ppd ppe ppo ppp ppu ppx pub pud pue pup puu pxe ubb ube ubo ubp ubu ubx udb udd ude udo udp udu udx ueb ued uee uep uob uod uoe uoo uop uox up- upb upd upe upo upp upu upx uue uuu uxb uxo uxu xbe xbx xdb xde xed xee xep xeu xex xod xoo xop xox xpb xpd xpe xpo xpp xue xup xxo xxp xxx