-er -ic bbb bbc bbe bbf bbg bbi bbn bbo bbr bbt bbx bcb bcc bce bcf bcg bci bcn bco bcr bct bcv bcx be- beb bec bee bef beg bei ben beo ber bet bev bex bfb bfc bfe bff bfg bfi bfn bfo bfr bft bfv bfx bgb bgc bge bgf bgg bgi bgn bgo bgr bgt bgv bgx bi- bib bic bie bif big bii bin bio bir bit biv bix bnb bnc bne bnf bng bni bnn bno bnr bnt bnv bnx bob boc boe bof bog boi bon boo bor bot bov box brb bre brf brg bri brn bro brr brt brv brx btb btc bte btf btg bti btn bto btr btt btv btx bvb bvc bve bvg bvi bvn bvo bvr bvt bvv bxb bxi bxn bxo bxx c-- cbb cbc cbe cbf cbg cbi cbn cbo cbr cbt cbv cbx ccb ccc cce ccf ccg cci ccn cco ccr cct ccv ccx ce- ceb cec cee cef ceg cei cen ceo cer cet cev cex cfb cfc cfe cff cfg cfi cfn cfo cfr cft cfv cfx cgb cgc cge cgg cgi cgn cgo cgr cgt cgv ci- cib cic cie cif cig cii cin cio cir cit civ cix cn- cnb cnc cne cnf cng cni cnn cno cnr cnt cnv cnx co- cob coc coe cof cog coi con coo cor cot cov cox crb crc cre crf crg cri crn cro crr crt crv crx ctb ctc cte ctf ctg cti ctn cto ctr ctt ctv ctx cvb cvc cve cvf cvg cvi cvn cvo cvr cvt cvv cvx cxc cxf cxi cxo cxr cxt cxv cxx ebb ebc ebe ebf ebg ebi ebn ebo ebr ebt ebv ebx ec- ecb ecc ece ecf ecg eci ecn eco ecr ect ecv ecx eeb eec eee eef eeg een eeo eer eet eev eex ef- efb efc efe eff efg efi efo efr eft efx egb egc ege egf egg egi egn ego egr egt egx eib eic eie eif eig eii ein eio eir eit eiv eix en- enb enc ene enf eng eni enn eno enr ent env eo- eob eoc eoe eof eog eoi eon eoo eor eot erb erc ere erf erg eri ern ero err ert erv etb etc ete etf etg eti etn eto etr ett etv etx evb evc eve evf evg evi evn evo evr evt evv ex- exc exe exi exo exr ext exx fbb fbc fbe fbf fbg fbi fbn fbo fbr fbt fbx fcb fcc fce fcf fcg fci fcn fco fcr fct fcv fcx feb fec fee fef feg fei fen feo fer fet fev fex ffc ffe fff ffg ffi ffn ffo ffr fft ffv ffx fgb fgc fge fgf fgg fgi fgn fgr fgt fgv fib fic fie fif fig fii fin fir fit fix fnb fnc fne fnf fng fni fnn fnr fnt fnv fnx fob foc foe fof fog foi fon foo for fot fox frb frc fre frf frg fri frn fro frr frt ftb ftc fte ftf ftg fti ftn fto ftr ftt ftv ftx fvc fvg fvt fxe fxg fxi fxr fxt fxx gbc gbe gbf gbg gbi gbn gbo gbr gbt gbv gbx gcb gcc gce gcf gcg gci gcn gco gcr gct ge- geb gec gee gef geg gei gen geo ger get gev gex gfb gfc gfe gff gfi gfo gfr gft gfx ggb ggc ggg ggi ggn ggo ggr ggt ggv gib gic gie gif gig gii gin gio gir git giv gnb gnc gne gnf gni gnn gno gnr gnt gnv gob goc goe gof gog goi gon goo gor got gov gox grb grc gre grf grg gri grn gro grr grt grv grx gtb gtc gte gtf gtg gti gtn gto gtr gtt gtv gtx gvb gvc gve gvf gvg gvi gvn gvo gvr gvt gxf gxt i-f i-v ibb ibc ibe ibf ibg ibi ibn ibo ibr ibt ibv ibx icb icc ice icf icg ici icn ico icr ict icv ie- iec iee ief ieg iei ien ier iet iev iex ifb ifc ife iff ifg ifi ifn ifo ifr ift ifx igb igc ige igf igg igi ign igo igr igt iib iic iie iif iii iin iio iir iit iix in- inb inc ine inf ing ini inn ino inr int inv inx io- iob ioc ioe iof iog ioi ion ioo ior iot iov ir- irb irc ire irf irg iri irn iro irr irt irv irx itb itc ite itf itg iti itn ito itt itv itx ivb ivc ive ivf ivg ivi ivo ivr ivt ivv ivx ixc ixe ixi ixn n-i nbb nbc nbe nbf nbg nbi nbn nbo nbr nbt nbv nbx ncb ncc nce ncf ncg nci ncn nco ncr nct ncv ncx ne- neb nec nee nef neg nei nen neo ner net nev nex nfb nfc nfe nff nfi nfn nfo nfr nft nfv ngb ngc nge ngf ngg ngi ngn ngo ngt nib nic nie nif nig nii nin nio nir nit niv nix nnb nnc nne nnf nng nni nnn nno nnt nnv no- nob noc noe nof nog noi non noo nor not nov nox nrb nrc nre nrf nrg nri nrn nro nrr nrt nrv nrx ntb ntc nte ntf ntg nti ntn nto ntr ntt ntv ntx nvb nvc nve nvg nvi nvn nvt nvv nxc nxt nxv o-i ob- obb obc obe obf obg obi obn obo obr obt obv obx oc- ocb occ ocf ocg oci ocn oco ocr oct ocv ocx oeb oec oee oef oeg oei oen oeo oer oet oex of- ofb ofc ofe off ofg ofi ofn ofo ofr oft ofv ofx ogc oge ogf ogg ogi ogn ogo ogt ogx oib oic oie oif oii oin oio oir oit oiv on- onb onc one onf ong oni onn ono onr ont onx oo- oob ooc oof oog ooi