-er -ol -up b-p b-u bbb bbd bbe bbf bbi bbl bbn bbo bbp bbr bbu bdb bdd bde bdf bdi bdl bdo bdp bdr bdu be- beb bed bee bef bei bel ben beo bep ber beu bfb bfd bfe bff bfi bfl bfn bfo bfp bfr bfu bi- bib bid bie bif bii bil bin bio bip bir biu blb bld ble blf bli bll bln blo blp blr blu bnb bnd bne bnf bni bnl bnn bno bnp bnr bnu bob bod boe bof boi bol bon boo bop bor bou bpb bpd bpe bpf bpi bpl bpn bpo bpp bpr bpu brb brd bre brf bri brl brn bro brp brr bru bub bud bue buf bui bul bun buo bup bur buu dbb dbd dbe dbf dbi dbl dbn dbo dbp dbr dbu ddb ddd dde ddf ddi ddl ddn ddo ddp ddr ddu de- deb ded dee def dei del den deo dep der deu dfb dfd dfe dff dfi dfl dfn dfo dfp dfr dfu di- dib did die dif dii dil din dio dip dir diu dl- dlb dld dle dlf dli dll dlo dlp dlr dlu dnb dnd dne dnf dni dnl dnn dno dnp dnr dob dod doe dof doi dol don doo dop dor dou dpb dpd dpe dpf dpi dpl dpn dpo dpp dpr dpu drb drd dre dri drl drn dro drp drr dru dub dud due duf dui dul dun duo dup dur ebb ebd ebe ebf ebi ebl ebn ebo ebp ebr ebu ed- edb edd ede edf edi edl edn edo edp edr edu eeb eed eee eef eel een eeo eep eer ef- efb efd efe eff efi efl efo efp efr eib eid eie eif eii eil ein eio eip eir eiu elb eld ele elf eli ell eln elo elp elr elu en- enb end ene enf eni enl enn eno enp enr enu eo- eob eod eoe eof eoi eol eon eoo eop eor eou ep- epb epd epe epf epi epl epn epo epp epr epu erb erd ere erf eri erl ern ero erp err eru eu- eub eud eue euf eui eul eun eup eur fbb fbd fbe fbf fbi fbl fbn fbo fbp fbr fbu fdb fdd fde fdf fdi fdl fdn fdo fdp fdr fdu feb fed fee fef fei fel fen feo fep fer feu ffd ffe fff ffi ffl ffn ffo ffp ffr ffu fib fid fie fif fii fil fin fip fir fiu flb fld fle flf fli fll fln flo flp flr flu fnb fnd fne fnf fni fnl fnn fnp fnr fnu fob foe fof foi fol fon foo fop for fou fpb fpd fpe fpi fpl fpn fpo fpp fpr fpu frb frd fre frf fri frl frn fro frp frr fru fub fud fue fuf fui ful fun fuo fup fur fuu i-d i-f ibb ibd ibe ibf ibi ibl ibn ibo ibp ibr ibu idb idd ide idf idi idl idn ido idp idr idu ie- ied iee ief iei iel ien iep ier ifb ifd ife iff ifi ifl ifn ifo ifp ifr ifu iib iid iie iif iii iil iin iio iip iir iiu il- ilb ild ile ilf ili ill iln ilo ilp ilr ilu in- inb ind ine inf ini inl inn ino inp inr inu io- iob iod ioe iof ioi iol ion ioo iop ior iou ipb ipd ipe ipf ipi ipl ipn ipo ipp ipr ipu ir- irb ird ire irf iri irl irn iro irp irr iru iu- iub iud iue iui iup iur l-p lbb lbd lbe lbf lbi lbl lbo lbp lbr lbu ldb ldd lde ldf ldi ldl ldn ldo ldp ldr ldu leb led lee lef lei lel len leo lep ler leu lfb lfd lfe lff lfi lfl lfn lfo lfp lfr lfu lib lid lie lif lii lil lin lio lip lir liu llb lld lle llf lli lll lln llo llp llr llu lnb lnd lne lni lnl lnn lno lnp lnr lnu lob lod loe lof loi lol lon loo lop lor lou lpb lpd lpe lpf lpi lpl lpn lpo lpp lpr lpu lrb lrd lrf lri lrn lro lrp lrr lru lub lud lue luf lui lul lun luo lup lur luu n-i nbb nbd nbe nbf nbi nbl nbn nbo nbp nbr nbu ndb ndd nde ndf ndi ndl ndn ndo ndp ndr ndu ne- neb ned nee nef nei nel nen neo nep ner neu nfb nfd nfe nff nfi nfl nfn nfo nfp nfr nfu nib nid nie nif nii nil nin nio nip nir niu nlb nld nle nlf nli nll nln nlo nlp nlr nlu nnb nne nnf nni nnl nnn nno nnp nnu no- nob nod noe nof noi nol non noo nop nor nou npb npd npe npf npi npl npn npo npp npr npu nrb nrd nre nrf nri nrl nrn nro nrp nrr nru nub nud nue nui nul nun nuo nup nur nuu o-i ob- obb obd obe obf obi obl obn obo obp obr obu odb odd ode odf odi odl odn odo odp odr odu oeb oed oee oef oei oel oen oeo oep oer of- ofb ofd ofe off ofi ofl ofn ofo ofp ofr ofu oib oid oie oif oii oil oin oio oip oir oiu olb old ole olf oli oll oln olo olp olu on- onb ond one onf oni onl onn ono onp onr onu oo- oob ood oof ooi ool oon ooo oop oor op- opb opd ope opf opi opl opn opo opp opr or- orb ord ore orf ori orl orn oro orp orr oru ou- oud oue ouf oui oul oun ouo oup our p-p pbb pbd pbe pbf pbi pbl pbn pbo pbp pbr pbu pdb pdd pde pdf pdi pdl pdn pdo pdp pdr pdu peb ped pee pef pei pel pen peo pep per peu