-er -ic b-u bbb bbc bbd bbe bbf bbg bbi bbm bbn bbo bbr bbt bbu bcb bcc bcd bce bcf bcg bci bcm bcn bco bcr bct bcu bdb bdc bdd bde bdf bdg bdi bdm bdo bdr bdt bdu be- beb bec bed bee bef beg bei bem ben beo ber bet beu bfb bfc bfd bfe bff bfg bfi bfm bfn bfo bfr bft bfu bgb bgc bgd bge bgf bgg bgi bgm bgn bgo bgr bgt bgu bi- bib bic bid bie bif big bii bim bin bio bir bit biu bmb bmc bmd bme bmf bmg bmi bmm bmn bmo bmr bmt bmu bnb bnc bnd bne bnf bng bni bnn bno bnr bnt bnu bob boc bod boe bof bog boi bom bon boo bor bot bou brb brd bre brf brg bri brm brn bro brr brt bru btb btc btd bte btf btg bti btm btn bto btr btt btu bub buc bud bue buf bug bui bum bun buo bur but buu c-- cbb cbc cbd cbe cbf cbg cbi cbm cbn cbo cbr cbt cbu ccb ccc ccd cce ccf ccg cci ccm ccn cco ccr cct ccu cdb cdc cdd cde cdf cdg cdi cdm cdn cdo cdr cdt cdu ce- ceb cec ced cee cef ceg cei cem cen ceo cer cet ceu cfb cfc cfd cfe cff cfg cfi cfm cfn cfo cfr cft cfu cgb cgc cgd cge cgg cgi cgm cgn cgo cgr cgt cgu ci- cib cic cid cie cif cig cii cim cin cio cir cit ciu cmb cmc cmd cme cmf cmg cmi cmm cmn cmo cmr cmt cmu cn- cnb cnc cnd cne cnf cng cni cnm cnn cno cnr cnt cnu co- cob coc cod coe cof cog coi com con coo cor cot cou crb crc crd cre crf crg cri crm crn cro crr crt cru ctb ctc ctd cte ctf ctg cti ctm ctn cto ctr ctt ctu cub cuc cud cue cuf cug cui cum cun cuo cur cut cuu dbb dbc dbd dbe dbf dbg dbi dbm dbn dbo dbr dbt dbu dcb dcc dcd dce dcf dcg dci dcm dcn dco dcr dct dcu ddb ddc ddd dde ddf ddg ddi ddm ddn ddo ddr ddt ddu de- deb dec ded dee def deg dei dem den deo der det deu dfb dfc dfd dfe dff dfg dfi dfm dfn dfo dfr dft dfu dgc dgd dge dgf dgg dgi dgm dgn dgr dgt dgu di- dib dic did die dif dig dii dim din dio dir dit diu dmb dmc dmd dme dmf dmg dmi dmm dmn dmo dmr dmt dmu dnb dnc dnd dne dnf dng dni dnm dnn dno dnr dnt dob doc dod doe dof dog doi dom don doo dor dot dou drb drc drd dre drg dri drm drn dro drr drt dru dtb dtc dtd dte dtf dtg dti dtm dtn dto dtr dtt dtu dub duc dud due duf dug dui dum dun duo dur dut ebb ebc ebd ebe ebf ebg ebi ebm ebn ebo ebr ebt ebu ec- ecb ecc ecd ece ecf ecg eci ecm ecn eco ecr ect ecu ed- edb edc edd ede edf edg edi edm edn edo edr edt edu eeb eec eed eee eef eeg eem een eeo eer eet ef- efb efc efd efe eff efg efi efm efo efr eft egb egc egd ege egf egg egi egm egn ego egr egt egu eib eic eid eie eif eig eii eim ein eio eir eit eiu em- emb emc emd eme emf emg emi emm emn emo emr emt emu en- enb enc end ene enf eng eni enm enn eno enr ent enu eo- eob eoc eod eoe eof eog eoi eom eon eoo eor eot eou erb erc erd ere erf erg eri erm ern ero err ert eru etb etc etd ete etf etg eti etm etn eto etr ett etu eu- eub euc eud eue euf eug eui eun eur eut fbb fbc fbd fbe fbf fbg fbi fbm fbn fbo fbr fbt fbu fcb fcc fcd fce fcf fcg fci fcm fcn fco fcr fct fcu fdb fdc fdd fde fdf fdg fdi fdm fdn fdo fdr fdt fdu feb fec fed fee fef feg fei fem fen feo fer fet feu ffc ffd ffe fff ffg ffi ffm ffn ffo ffr fft ffu fgb fgc fgd fge fgf fgg fgi fgm fgn fgr fgt fib fic fid fie fif fig fii fim fin fir fit fiu fmb fmc fmd fme fmf fmg fmi fmm fmn fmo fmr fmt fmu fnb fnc fnd fne fnf fng fni fnm fnn fnr fnt fnu fob foc foe fof fog foi fom fon foo for fot fou frb frc frd fre frf frg fri frm frn fro frr frt fru ftb ftc ftd fte ftf ftg fti ftm ftn fto ftr ftt ftu fub fud fue fuf fug fui fum fun fuo fur fut fuu g-d gbc gbd gbe gbf gbg gbi gbm gbn gbo gbr gbt gbu gcb gcc gcd gce gcf gcg gci gcm gcn gco gcr gct gcu gdb gdc gdd gde gdf gdi gdm gdn gdo gdr gdt gdu ge- geb gec ged gee gef geg gei gem gen geo ger get geu gfb gfc gfd gfe gff gfi gfm gfo gfr gft ggb ggc ggd ggg ggi ggm ggn ggo ggr ggt ggu gib gic gid gie gif gig gii gim gin gio gir git giu gmb gmc gmd gme gmf gmg gmi gmm gmn gmo gmr gmt gnb gnc gnd gne gnf gni gnm gnn gno gnr gnt gnu gob goc god goe gof gog goi gom gon goo gor got gou grb grc grd gre grf grg gri grm grn gro grr grt gru gtb gtc gtd gte gtf gtg gti gtm gtn gto gtr gtt gtu gu- gub guc gud gue guf gug gui gum gun