b-p bbb bbd bbe bbi bbn bbo bbp bbt bbx bdb bdd bde bdi bdo bdp bdt bdx be- beb bed bee bei ben beo bep bet bex bi- bib bid bie bii bin bio bip bit bix bnb bnd bne bni bnn bno bnp bnt bnx bob bod boe boi bon boo bop bot box bpb bpd bpe bpi bpn bpo bpp bpt bpx btb btd bte bti btn bto btp btt btx bxb bxd bxi bxn bxo bxx dbb dbd dbe dbi dbn dbo dbp dbt dbx ddb ddd dde ddi ddn ddo ddp ddt ddx de- deb ded dee dei den deo dep det dex di- dib did die dii din dio dip dit dix dnb dnd dne dni dnn dno dnp dnt dob dod doe doi don doo dop dot dox dpb dpd dpe dpi dpn dpo dpp dpt dtb dtd dte dti dtn dto dtp dtt dtx dxd dxi dxn dxo dxp dxt dxx ebb ebd ebe ebi ebn ebo ebp ebt ebx ed- edb edd ede edi edn edo edp edt edx eeb eed eee een eeo eep eet eex eib eid eie eii ein eio eip eit eix en- enb end ene eni enn eno enp ent eo- eob eod eoe eoi eon eoo eop eot ep- epb epd epe epi epn epo epp ept epx etb etd ete eti etn eto etp ett etx ex- exd exe exi exo exp ext exx i-d ibb ibd ibe ibi ibn ibo ibp ibt ibx idb idd ide idi idn ido idp idt idx ie- ied iee iei ien iep iet iex iib iid iie iii iin iio iip iit iix in- inb ind ine ini inn ino inp int inx io- iob iod ioe ioi ion ioo iop iot ipb ipd ipe ipi ipn ipo ipp ipt ipx itb itd ite iti itn ito itp itt itx ixe ixi ixn n-i nbb nbd nbe nbi nbn nbo nbp nbt nbx ndb ndd nde ndi ndn ndo ndp ndt ne- neb ned nee nei nen neo nep net nex nib nid nie nii nin nio nip nit nix nnb nne nni nnn nno nnp nnt no- nob nod noe noi non noo nop not nox npb npd npe npi npn npo npp npt ntb ntd nte nti ntn nto ntp ntt ntx nxd nxt o-i ob- obb obd obe obi obn obo obp obt obx odb odd ode odi odn odo odp odt oeb oed oee oei oen oeo oep oet oex oib oid oie oii oin oio oip oit on- onb ond one oni onn ono onp ont onx oo- oob ood ooi oon ooo oop oot oox op- opb opd ope opi opn opo opp opt opx ot- otb otd ote oti otn oto otp ott ox- oxb oxi oxn oxo oxt oxx p-p pbb pbd pbe pbi pbn pbo pbp pbt pbx pdb pdd pde pdi pdn pdo pdp pdt pdx peb ped pee pei pen peo pep pet pex pib pid pie pii pin pio pip pit pix pn- pnb pnd pne pni pnn pno pnp pnt pnx pob pod poe poi pon poo pop pot pox ppb ppd ppe ppi ppn ppo ppp ppt ppx pt- ptb ptd pte pti ptn pto ptp ptt ptx pxe pxt t-x tbb tbd tbe tbi tbn tbo tbp tbt tdb tdd tde tdi tdn tdo tdp tdt tdx te- teb ted tee tei ten teo tep tet tex tib tid tie tii tin tio tip tit tix tnb tnd tne tni tnn tno tnp tnt tnx to- tob tod toe toi ton too top tot tox tpb tpd tpe tpi tpn tpo tpp tpt tpx ttb ttd tte tti ttn tto ttp ttt ttx txe txi txn txt xbe xbx xdb xde xdi xdt xed xee xen xep xet xex xie xii xin xio xit xix xno xod xoi xon xoo xop xot xox xpb xpd xpe xpn xpo xpp xpt xti xtp xtx xxi xxo xxp xxx