-er bbb bbd bbe bbh bbi bbn bbo bbr bbx bdb bdd bde bdh bdi bdo bdr bdx be- beb bed bee beh bei ben beo ber bex bhb bhd bhe bhh bhi bho bhr bhx bi- bib bid bie bih bii bin bio bir bix bnb bnd bne bni bnn bno bnr bnx bob bod boe boh boi bon boo bor box brb brd bre brh bri brn bro brr brx bxb bxd bxi bxn bxo bxx dbb dbd dbe dbh dbi dbn dbo dbr dbx ddb ddd dde ddh ddi ddn ddo ddr ddx de- deb ded dee deh dei den deo der dex dh- dhb dhd dhe dhh dhi dho dhr di- dib did die dih dii din dio dir dix dnb dnd dne dnh dni dnn dno dnr dob dod doe doh doi don doo dor dox drb drd dre dri drn dro drr drx dxd dxi dxn dxo dxr dxx ebb ebd ebe ebh ebi ebn ebo ebr ebx ed- edb edd ede edh edi edn edo edr edx eeb eed eee een eeo eer eex ehb ehd ehe ehh ehi ehn eho ehr eib eid eie eii ein eio eir eix en- enb end ene enh eni enn eno enr eo- eob eod eoe eoh eoi eon eoo eor erb erd ere erh eri ern ero err ex- exd exe exh exi exo exr exx h-i hbb hbd hbe hbh hbi hbn hbo hbr hbx hdb hdd hde hdh hdi hdn hdo hdr hdx he- heb hed hee heh hei hen heo her hex hhb hhd hhe hhh hhi hhn hho hhr hib hid hie hih hii hin hio hir hix hnb hnd hne hnh hnn hno hob hod hoe hoh hoi hon hoo hor hox hr- hrb hrd hre hrh hri hrn hro hrr hxd i-d ibb ibd ibe ibh ibi ibn ibo ibr ibx idb idd ide idh idi idn ido idr idx ie- ied iee iei ien ier iex ihb ihd ihe ihh ihi ihn iho ihr iib iid iie iih iii iin iio iir iix in- inb ind ine inh ini inn ino inr inx io- iob iod ioe ioh ioi ion ioo ior ir- irb ird ire iri irn iro irr irx ixe ixi ixn n-i nbb nbd nbe nbi nbn nbo nbr nbx ndb ndd nde ndh ndi ndn ndo ndr ne- neb ned nee neh nei nen neo ner nex nhb nhd nhe nhh nhi nhn nhr nib nid nie nih nii nin nio nir nix nnb nne nnh nni nnn nno no- nob nod noe noh noi non noo nor nox nrb nrd nre nri nrn nro nrr nrx nxd o-i ob- obb obd obe obh obi obn obo obr obx odb odd ode odh odi odn odo odr oeb oed oee oeh oei oen oeo oer oex ohd ohe ohh ohi ohn oho ohr oib oid oie oii oin oio oir on- onb ond one onh oni onn ono onr onx oo- oob ood ooh ooi oon ooo oor oox or- orb ord ore orh ori orn oro orr orx ox- oxb oxi oxn oxo oxx rbb rbd rbe rbh rbi rbn rbo rbr rbx rdb rdd rde rdh rdi rdn rdo rdr rdx re- reb red ree reh rei ren reo rer rex rh- rhb rhd rhe rhh rhi rhn rho rhr rib rid rie rih rii rin rio rir rix rnb rnd rnh rni rnn rno rnr rob rod roe roh roi ron roo ror rox rrb rrd rrh rri rrn rrr rxr xbe xbr xbx xdb xde xdh xdi xdr xed xee xen xer xex xhd xie xii xin xio xix xno xod xoi xon xoo xor xox xrd xrx xxi xxo xxx