-er -ic b-u bbb bbc bbd bbe bbf bbg bbh bbi bbr bbs bbu bcb bcc bcd bce bcf bcg bch bci bcr bcs bcu bdb bdc bdd bde bdf bdg bdh bdi bdr bds bdu be- beb bec bed bee bef beg beh bei ber bes beu bfb bfc bfd bfe bff bfg bfh bfi bfr bfs bfu bgb bgc bgd bge bgf bgg bgh bgi bgr bgs bgu bhb bhc bhd bhe bhf bhg bhh bhi bhr bhs bhu bi- bib bic bid bie bif big bih bii bir bis biu brb brd bre brf brg brh bri brr brs bru bsb bsc bsd bse bsf bsg bsh bsi bsr bss bsu bub buc bud bue buf bug buh bui bur bus buu c-- cbb cbc cbd cbe cbf cbg cbh cbi cbr cbs cbu ccb ccc ccd cce ccf ccg cch cci ccr ccs ccu cdb cdc cdd cde cdf cdg cdh cdi cdr cds cdu ce- ceb cec ced cee cef ceg ceh cei cer ces ceu cfb cfc cfd cfe cff cfg cfh cfi cfr cfs cfu cgb cgc cgd cge cgg cgh cgi cgr cgs cgu ch- chb chc chd che chf chg chh chi chr chs chu ci- cib cic cid cie cif cig cih cii cir cis ciu crb crc crd cre crf crg crh cri crr crs cru csb csc csd cse csf csg csh csi csr css csu cub cuc cud cue cuf cug cuh cui cur cus cuu dbb dbc dbd dbe dbf dbg dbh dbi dbr dbs dbu dcb dcc dcd dce dcf dcg dci dcr dcs dcu ddb ddc ddd dde ddf ddg ddh ddi ddr dds ddu de- deb dec ded dee def deg deh dei der des deu dfb dfc dfd dfe dff dfg dfh dfi dfr dfs dfu dgc dgd dge dgf dgg dgh dgi dgr dgs dgu dh- dhb dhc dhd dhe dhf dhh dhi dhr dhs dhu di- dib dic did die dif dig dih dii dir dis diu drb drc drd dre drg dri drr drs dru dsb dsc dsd dse dsf dsg dsh dsi dsr dss dsu dub duc dud due duf dug duh dui dur dus ebb ebc ebd ebe ebf ebg ebh ebi ebr ebs ebu ec- ecb ecc ecd ece ecf ecg ech eci ecr ecs ecu ed- edb edc edd ede edf edg edh edi edr eds edu eeb eec eed eee eef eeg eer ees ef- efb efc efd efe eff efg efh efi efr efs egb egc egd ege egf egg egh egi egr egs egu ehb ehc ehd ehe ehf ehg ehh ehi ehr ehs ehu eib eic eid eie eif eig eii eir eis eiu erb erc erd ere erf erg erh eri err ers eru es- esb esc esd ese esf esg esh esi esr ess esu eu- eub euc eud eue euf eug eui eur eus fbb fbc fbd fbe fbf fbg fbh fbi fbr fbs fbu fcb fcc fcd fce fcf fcg fci fcr fcs fcu fdb fdc fdd fde fdf fdg fdh fdi fdr fds fdu feb fec fed fee fef feg feh fei fer fes feu ffc ffd ffe fff ffg ffh ffi ffr ffs ffu fgb fgc fgd fge fgf fgg fgh fgi fgr fgs fhb fhc fhe fhf fhg fhh fhi fhr fhs fib fic fid fie fif fig fih fii fir fis fiu frb frc frd fre frf frg frh fri frr frs fru fsb fsc fsd fse fsf fsg fsh fsi fsr fss fsu fub fud fue fuf fug fui fur fus fuu g-d gbc gbd gbe gbf gbg gbh gbi gbr gbs gbu gcb gcc gcd gce gcf gcg gch gci gcr gcs gcu gdb gdc gdd gde gdf gdh gdi gdr gds gdu ge- geb gec ged gee gef geg geh gei ger ges geu gfb gfc gfd gfe gff gfh gfi gfr gfs ggb ggc ggd ggg ggh ggi ggr ggs ggu ghb ghc ghd ghe ghg ghh ghi ghr ghs gib gic gid gie gif gig gih gii gir gis giu grb grc grd gre grf grg grh gri grr grs gru gsb gsc gsd gse gsf gsg gsi gsr gss gsu gu- gub guc gud gue guf gug gui gur gus guu h-i hbb hbc hbd hbe hbf hbg hbh hbi hbr hbs hbu hcb hcc hcd hce hcf hcg hch hci hcr hcs hdb hdc hdd hde hdf hdg hdh hdi hdr hds hdu he- heb hec hed hee hef heg heh hei her hes heu hfb hfc hfd hfe hff hfg hfh hfi hfr hfs hfu hgb hgc hge hgf hgg hgh hgi hgr hgs hgu hhb hhc hhd hhe hhf hhg hhh hhi hhr hhs hhu hib hic hid hie hif hig hih hii hir his hiu hr- hrb hrc hrd hre hrf hrg hrh hri hrr hrs hru hsb hsc hsd hse hsf hsg hsh hsi hsr hss hsu hub huc hud hue huf hug huh hui hur hus huu i-d i-f ibb ibc ibd ibe ibf ibg ibh ibi ibr ibs ibu icb icc icd ice icf icg ich ici icr ics icu idb idc idd ide idf idg idh idi idr ids idu ie- iec ied iee ief ieg iei ier ies ifb ifc ifd ife iff ifg ifi ifr ifs ifu igb igc igd ige igf igg igh igi igr igs igu ihb ihc ihd ihe ihf ihg ihh ihi ihr ihs ihu iib iic iid iie iif iih iii iir iis iiu ir- irb irc ird ire irf irg iri irr irs iru is- isb isc isd ise isf isg ish isi isr iss isu iu- iub iuc iud iue iug iui iur ius rbb rbc rbd rbe rbf rbg rbh rbi rbr rbs rbu rcb rcc rcd rce rcf rcg rch rci rcr rcs rcu rdb rdc rdd rde rdf rdg rdh rdi rdr rds rdu re- reb rec red ree ref reg reh rei rer res reu rfb