-er -up b-p b-u bbb bbd bbe bbf bbi bbn bbo bbp bbr bbu bbx bdb bdd bde bdf bdi bdo bdp bdr bdu bdx be- beb bed bee bef bei ben beo bep ber beu bex bfb bfd bfe bff bfi bfn bfo bfp bfr bfu bfx bi- bib bid bie bif bii bin bio bip bir biu bix bnb bnd bne bnf bni bnn bno bnp bnr bnu bnx bob bod boe bof boi bon boo bop bor bou box bpb bpd bpe bpf bpi bpn bpo bpp bpr bpu bpx brb brd bre brf bri brn bro brp brr bru brx bub bud bue buf bui bun buo bup bur buu bux bxb bxd bxi bxn bxo bxx dbb dbd dbe dbf dbi dbn dbo dbp dbr dbu dbx ddb ddd dde ddf ddi ddn ddo ddp ddr ddu ddx de- deb ded dee def dei den deo dep der deu dex dfb dfd dfe dff dfi dfn dfo dfp dfr dfu dfx di- dib did die dif dii din dio dip dir diu dix dnb dnd dne dnf dni dnn dno dnp dnr dob dod doe dof doi don doo dop dor dou dox dpb dpd dpe dpf dpi dpn dpo dpp dpr dpu drb drd dre dri drn dro drp drr dru drx dub dud due duf dui dun duo dup dur dux dxd dxi dxn dxo dxp dxr dxx ebb ebd ebe ebf ebi ebn ebo ebp ebr ebu ebx ed- edb edd ede edf edi edn edo edp edr edu edx eeb eed eee eef een eeo eep eer eex ef- efb efd efe eff efi efo efp efr efx eib eid eie eif eii ein eio eip eir eiu eix en- enb end ene enf eni enn eno enp enr enu eo- eob eod eoe eof eoi eon eoo eop eor eou ep- epb epd epe epf epi epn epo epp epr epu epx erb erd ere erf eri ern ero erp err eru eu- eub eud eue euf eui eun eup eur eux ex- exd exe exi exo exp exr exu exx fbb fbd fbe fbf fbi fbn fbo fbp fbr fbu fbx fdb fdd fde fdf fdi fdn fdo fdp fdr fdu fdx feb fed fee fef fei fen feo fep fer feu fex ffd ffe fff ffi ffn ffo ffp ffr ffu ffx fib fid fie fif fii fin fip fir fiu fix fnb fnd fne fnf fni fnn fnp fnr fnu fnx fob foe fof foi fon foo fop for fou fox fpb fpd fpe fpi fpn fpo fpp fpr fpu fpx frb frd fre frf fri frn fro frp frr fru fub fud fue fuf fui fun fuo fup fur fuu fux fxe fxi fxp fxr fxu fxx i-d i-f ibb ibd ibe ibf ibi ibn ibo ibp ibr ibu ibx idb idd ide idf idi idn ido idp idr idu idx ie- ied iee ief iei ien iep ier iex ifb ifd ife iff ifi ifn ifo ifp ifr ifu ifx iib iid iie iif iii iin iio iip iir iiu iix in- inb ind ine inf ini inn ino inp inr inu inx io- iob iod ioe iof ioi ion ioo iop ior iou ipb ipd ipe ipf ipi ipn ipo ipp ipr ipu ipx ir- irb ird ire irf iri irn iro irp irr iru irx iu- iub iud iue iui iup iur ixe ixi ixn n-i nbb nbd nbe nbf nbi nbn nbo nbp nbr nbu nbx ndb ndd nde ndf ndi ndn ndo ndp ndr ndu ne- neb ned nee nef nei nen neo nep ner neu nex nfb nfd nfe nff nfi nfn nfo nfp nfr nfu nib nid nie nif nii nin nio nip nir niu nix nnb nne nnf nni nnn nno nnp nnu no- nob nod noe nof noi non noo nop nor nou nox npb npd npe npf npi npn npo npp npr npu nrb nrd nre nrf nri nrn nro nrp nrr nru nrx nub nud nue nui nun nuo nup nur nuu nux nxd o-i ob- obb obd obe obf obi obn obo obp obr obu obx odb odd ode odf odi odn odo odp odr odu oeb oed oee oef oei oen oeo oep oer oex of- ofb ofd ofe off ofi ofn ofo ofp ofr ofu ofx oib oid oie oif oii oin oio oip oir oiu on- onb ond one onf oni onn ono onp onr onu onx oo- oob ood oof ooi oon ooo oop oor oox op- opb opd ope opf opi opn opo opp opr opx or- orb ord ore orf ori orn oro orp orr oru orx ou- oud oue ouf oui oun ouo oup our ox- oxb oxf oxi oxn oxo oxx p-p pbb pbd pbe pbf pbi pbn pbo pbp pbr pbu pbx pdb pdd pde pdf pdi pdn pdo pdp pdr pdu pdx peb ped pee pef pei pen peo pep per peu pex pfb pfd pfe pff pfi pfn pfo pfp pfr pfu pfx pib pid pie pif pii pin pio pip pir piu pix pn- pnb pnd pne pnf pni pnn pno pnp pnr pnu pnx pob pod poe pof poi pon poo pop por pou pox ppb ppd ppe ppf ppi ppn ppo ppp ppr ppu ppx prb prd pre prf pri prn pro prp prr pru prx pub pud pue puf pui pun pup pur puu pxe pxr rbb rbd rbe rbf rbi rbn rbo rbp rbr rbu rbx rdb rdd rde rdf rdi rdn rdo rdp rdr rdu rdx re- reb red ree ref rei ren reo rep rer reu rex rfb rfd rfe rff rfi rfn rfo rfp rfr rfu rib rid rie rif rii rin rio rip rir rix rnb rnd rni rnn rno rnp rnr rnu rob rod roe rof roi ron roo rop ror rou rox rpb rpd rpe rpf rpi rpn rpo rpp rpr rpu rpx rrb rrd rrf rri rrn rrp rrr rru rub