-er -ic b-u bbb bbc bbd bbe bbf bbg bbi bbn bbo bbr bbs bbu bcb bcc bcd bce bcf bcg bci bcn bco bcr bcs bcu bdb bdc bdd bde bdf bdg bdi bdo bdr bds bdu be- beb bec bed bee bef beg bei ben beo ber bes beu bfb bfc bfd bfe bff bfg bfi bfn bfo bfr bfs bfu bgb bgc bgd bge bgf bgg bgi bgn bgo bgr bgs bgu bi- bib bic bid bie bif big bii bin bio bir bis biu bnb bnc bnd bne bnf bng bni bnn bno bnr bns bnu bob boc bod boe bof bog boi bon boo bor bos bou brb brd bre brf brg bri brn bro brr brs bru bsb bsc bsd bse bsf bsg bsi bsn bso bsr bss bsu bub buc bud bue buf bug bui bun buo bur bus buu c-- cbb cbc cbd cbe cbf cbg cbi cbn cbo cbr cbs cbu ccb ccc ccd cce ccf ccg cci ccn cco ccr ccs ccu cdb cdc cdd cde cdf cdg cdi cdn cdo cdr cds cdu ce- ceb cec ced cee cef ceg cei cen ceo cer ces ceu cfb cfc cfd cfe cff cfg cfi cfn cfo cfr cfs cfu cgb cgc cgd cge cgg cgi cgn cgo cgr cgs cgu ci- cib cic cid cie cif cig cii cin cio cir cis ciu cn- cnb cnc cnd cne cnf cng cni cnn cno cnr cns cnu co- cob coc cod coe cof cog coi con coo cor cos cou crb crc crd cre crf crg cri crn cro crr crs cru csb csc csd cse csf csg csi csn cso csr css csu cub cuc cud cue cuf cug cui cun cuo cur cus cuu dbb dbc dbd dbe dbf dbg dbi dbn dbo dbr dbs dbu dcb dcc dcd dce dcf dcg dci dcn dco dcr dcs dcu ddb ddc ddd dde ddf ddg ddi ddn ddo ddr dds ddu de- deb dec ded dee def deg dei den deo der des deu dfb dfc dfd dfe dff dfg dfi dfn dfo dfr dfs dfu dgc dgd dge dgf dgg dgi dgn dgr dgs dgu di- dib dic did die dif dig dii din dio dir dis diu dnb dnc dnd dne dnf dng dni dnn dno dnr dns dob doc dod doe dof dog doi don doo dor dos dou drb drc drd dre drg dri drn dro drr drs dru dsb dsc dsd dse dsf dsg dsi dsn dso dsr dss dsu dub duc dud due duf dug dui dun duo dur dus ebb ebc ebd ebe ebf ebg ebi ebn ebo ebr ebs ebu ec- ecb ecc ecd ece ecf ecg eci ecn eco ecr ecs ecu ed- edb edc edd ede edf edg edi edn edo edr eds edu eeb eec eed eee eef eeg een eeo eer ees ef- efb efc efd efe eff efg efi efo efr efs egb egc egd ege egf egg egi egn ego egr egs egu eib eic eid eie eif eig eii ein eio eir eis eiu en- enb enc end ene enf eng eni enn eno enr ens enu eo- eob eoc eod eoe eof eog eoi eon eoo eor eos eou erb erc erd ere erf erg eri ern ero err ers eru es- esb esc esd ese esf esg esi esn eso esr ess esu eu- eub euc eud eue euf eug eui eun eur eus fbb fbc fbd fbe fbf fbg fbi fbn fbo fbr fbs fbu fcb fcc fcd fce fcf fcg fci fcn fco fcr fcs fcu fdb fdc fdd fde fdf fdg fdi fdn fdo fdr fds fdu feb fec fed fee fef feg fei fen feo fer fes feu ffc ffd ffe fff ffg ffi ffn ffo ffr ffs ffu fgb fgc fgd fge fgf fgg fgi fgn fgr fgs fib fic fid fie fif fig fii fin fir fis fiu fnb fnc fnd fne fnf fng fni fnn fnr fns fnu fob foc foe fof fog foi fon foo for fos fou frb frc frd fre frf frg fri frn fro frr frs fru fsb fsc fsd fse fsf fsg fsi fsn fso fsr fss fsu fub fud fue fuf fug fui fun fuo fur fus fuu g-d gbc gbd gbe gbf gbg gbi gbn gbo gbr gbs gbu gcb gcc gcd gce gcf gcg gci gcn gco gcr gcs gcu gdb gdc gdd gde gdf gdi gdn gdo gdr gds gdu ge- geb gec ged gee gef geg gei gen geo ger ges geu gfb gfc gfd gfe gff gfi gfo gfr gfs ggb ggc ggd ggg ggi ggn ggo ggr ggs ggu gib gic gid gie gif gig gii gin gio gir gis giu gnb gnc gnd gne gnf gni gnn gno gnr gns gnu gob goc god goe gof gog goi gon goo gor gos gou grb grc grd gre grf grg gri grn gro grr grs gru gsb gsc gsd gse gsf gsg gsi gsn gso gsr gss gsu gu- gub guc gud gue guf gug gui gun guo gur gus guu i-d i-f ibb ibc ibd ibe ibf ibg ibi ibn ibo ibr ibs ibu icb icc icd ice icf icg ici icn ico icr ics icu idb idc idd ide idf idg idi idn ido idr ids idu ie- iec ied iee ief ieg iei ien ier ies ifb ifc ifd ife iff ifg ifi ifn ifo ifr ifs ifu igb igc igd ige igf igg igi ign igo igr igs igu iib iic iid iie iif iii iin iio iir iis iiu in- inb inc ind ine inf ing ini inn ino inr ins inu io- iob ioc iod ioe iof iog ioi ion ioo ior ios iou ir- irb irc ird ire irf irg iri irn iro irr irs iru is- isb isc isd ise isf isg isi isn iso isr iss isu iu- iub iuc iud iue iug iui iur