-er -up b-p b-u bbb bbd bbe bbi bbn bbo bbp bbr bbt bbu bbx bdb bdd bde bdi bdo bdp bdr bdt bdu bdx be- beb bed bee bei ben beo bep ber bet beu bex bi- bib bid bie bii bin bio bip bir bit biu bix bnb bnd bne bni bnn bno bnp bnr bnt bnu bnx bob bod boe boi bon boo bop bor bot bou box bpb bpd bpe bpi bpn bpo bpp bpr bpt bpu bpx brb brd bre bri brn bro brp brr brt bru brx btb btd bte bti btn bto btp btr btt btu btx bub bud bue bui bun buo bup bur but buu bux bxb bxd bxi bxn bxo bxx dbb dbd dbe dbi dbn dbo dbp dbr dbt dbu dbx ddb ddd dde ddi ddn ddo ddp ddr ddt ddu ddx de- deb ded dee dei den deo dep der det deu dex di- dib did die dii din dio dip dir dit diu dix dnb dnd dne dni dnn dno dnp dnr dnt dob dod doe doi don doo dop dor dot dou dox dpb dpd dpe dpi dpn dpo dpp dpr dpt dpu drb drd dre dri drn dro drp drr drt dru drx dtb dtd dte dti dtn dto dtp dtr dtt dtu dtx dub dud due dui dun duo dup dur dut dux dxd dxi dxn dxo dxp dxr dxt dxx ebb ebd ebe ebi ebn ebo ebp ebr ebt ebu ebx ed- edb edd ede edi edn edo edp edr edt edu edx eeb eed eee een eeo eep eer eet eex eib eid eie eii ein eio eip eir eit eiu eix en- enb end ene eni enn eno enp enr ent enu eo- eob eod eoe eoi eon eoo eop eor eot eou ep- epb epd epe epi epn epo epp epr ept epu epx erb erd ere eri ern ero erp err ert eru etb etd ete eti etn eto etp etr ett etu etx eu- eub eud eue eui eun eup eur eut eux ex- exd exe exi exo exp exr ext exu exx i-d ibb ibd ibe ibi ibn ibo ibp ibr ibt ibu ibx idb idd ide idi idn ido idp idr idt idu idx ie- ied iee iei ien iep ier iet iex iib iid iie iii iin iio iip iir iit iiu iix in- inb ind ine ini inn ino inp inr int inu inx io- iob iod ioe ioi ion ioo iop ior iot iou ipb ipd ipe ipi ipn ipo ipp ipr ipt ipu ipx ir- irb ird ire iri irn iro irp irr irt iru irx itb itd ite iti itn ito itp itt itu itx iu- iub iud iue iui iup iur iut ixe ixi ixn n-i nbb nbd nbe nbi nbn nbo nbp nbr nbt nbu nbx ndb ndd nde ndi ndn ndo ndp ndr ndt ndu ne- neb ned nee nei nen neo nep ner net neu nex nib nid nie nii nin nio nip nir nit niu nix nnb nne nni nnn nno nnp nnt nnu no- nob nod noe noi non noo nop nor not nou nox npb npd npe npi npn npo npp npr npt npu nrb nrd nre nri nrn nro nrp nrr nrt nru nrx ntb ntd nte nti ntn nto ntp ntr ntt ntu ntx nub nud nue nui nun nuo nup nur nut nuu nux nxd nxt o-i ob- obb obd obe obi obn obo obp obr obt obu obx odb odd ode odi odn odo odp odr odt odu oeb oed oee oei oen oeo oep oer oet oex oib oid oie oii oin oio oip oir oit oiu on- onb ond one oni onn ono onp onr ont onu onx oo- oob ood ooi oon ooo oop oor oot oox op- opb opd ope opi opn opo opp opr opt opx or- orb ord ore ori orn oro orp orr ort oru orx ot- otb otd ote oti otn oto otp otr ott otu ou- oud oue oui oun ouo oup our out ox- oxb oxi oxn oxo oxt oxx p-p pbb pbd pbe pbi pbn pbo pbp pbr pbt pbu pbx pdb pdd pde pdi pdn pdo pdp pdr pdt pdu pdx peb ped pee pei pen peo pep per pet peu pex pib pid pie pii pin pio pip pir pit piu pix pn- pnb pnd pne pni pnn pno pnp pnr pnt pnu pnx pob pod poe poi pon poo pop por pot pou pox ppb ppd ppe ppi ppn ppo ppp ppr ppt ppu ppx prb prd pre pri prn pro prp prr prt pru prx pt- ptb ptd pte pti ptn pto ptp ptr ptt ptu ptx pub pud pue pui pun pup pur put puu pxe pxr pxt rbb rbd rbe rbi rbn rbo rbp rbr rbt rbu rbx rdb rdd rde rdi rdn rdo rdp rdr rdt rdu rdx re- reb red ree rei ren reo rep rer ret reu rex rib rid rie rii rin rio rip rir rit rix rnb rnd rni rnn rno rnp rnr rnt rnu rob rod roe roi ron roo rop ror rot rou rox rpb rpd rpe rpi rpn rpo rpp rpr rpt rpu rpx rrb rrd rri rrn rrp rrr rrt rru rtb rtd rte rti rtn rto rtp rtr rtt rtu rtx rub rud rue rui run ruo rup rur rut ruu rux rxp rxr t-x tbb tbd tbe tbi tbn tbo tbp tbr tbt tbu tdb tdd tde tdi tdn tdo tdp tdr tdt tdu tdx te- teb ted tee tei ten teo tep ter tet teu tex tib tid tie tii tin tio tip tir tit tiu tix tnb tnd tne tni tnn tno tnp tnr tnt tnx to- tob tod toe toi ton too top tor tot tou tox tpb tpd tpe tpi tpn tpo tpp tpr tpt tpu tpx trb trd tre tri trn tro trp trr trt tru trx