-er -th bbb bbe bbf bbg bbh bbi bbl bbr bbt be- beb bee bef beg beh bei bel ber bet bfb bfe bff bfg bfh bfi bfl bfr bft bgb bge bgf bgg bgh bgi bgl bgr bgt bhb bhe bhf bhg bhh bhi bhl bhr bht bi- bib bie bif big bih bii bil bir bit blb ble blf blg blh bli bll blr blt brb bre brf brg brh bri brl brr brt btb bte btf btg bth bti btl btr btt ebb ebe ebf ebg ebh ebi ebl ebr ebt eeb eee eef eeg eel eer eet ef- efb efe eff efg efh efi efl efr eft egb ege egf egg egh egi egl egr egt ehb ehe ehf ehg ehh ehi ehl ehr eht eib eie eif eig eii eil eir eit elb ele elf elg elh eli ell elr elt erb ere erf erg erh eri erl err ert etb ete etf etg eth eti etl etr ett fbb fbe fbf fbg fbh fbi fbl fbr fbt feb fee fef feg feh fei fel fer fet ffe fff ffg ffh ffi ffl ffr fft fgb fge fgf fgg fgh fgi fgl fgr fgt fhb fhe fhf fhg fhh fhi fhl fhr fib fie fif fig fih fii fil fir fit flb fle flf flg fli fll flr flt frb fre frf frg frh fri frl frr frt ftb fte ftf ftg fth fti ftl ftr ftt gbe gbf gbg gbh gbi gbl gbr gbt ge- geb gee gef geg geh gei gel ger get gfb gfe gff gfh gfi gfl gfr gft ggb ggg ggh ggi ggr ggt ghb ghe ghg ghh ghi ghl ghr ght gib gie gif gig gih gii gil gir git glb gle glf glg glh gli gll glr glt grb gre grf grg grh gri grl grr grt gtb gte gtf gtg gth gti gtl gtr gtt h-i hbb hbe hbf hbg hbh hbi hbl hbr hbt he- heb hee hef heg heh hei hel her het hfb hfe hff hfg hfh hfi hfl hfr hft hgb hge hgf hgg hgh hgi hgl hgr hgt hhb hhe hhf hhg hhh hhi hhl hhr hht hib hie hif hig hih hii hil hir hit hlb hle hlf hlg hlh hli hll hlr hlt hr- hrb hre hrf hrg hrh hri hrl hrr hrt htb hte htf htg hth hti htl htr htt i-f ibb ibe ibf ibg ibh ibi ibl ibr ibt ie- iee ief ieg iei iel ier iet ifb ife iff ifg ifi ifl ifr ift igb ige igf igg igh igi igl igr igt ihb ihe ihf ihg ihh ihi ihl ihr iht iib iie iif iih iii iil iir iit il- ilb ile ilf ilg ilh ili ill ilr ilt ir- irb ire irf irg iri irl irr irt itb ite itf itg ith iti itl itt lbb lbe lbf lbg lbh lbi lbl lbr lbt leb lee lef leg leh lei lel ler let lfb lfe lff lfg lfh lfi lfl lfr lft lgb lge lgf lgg lgh lgi lgl lgr lgt lhb lhf lhh lhi lhr lht lib lie lif lig lih lii lil lir lit llb lle llf llg lli lll llr llt lrb lrf lrg lrh lri lrr lrt ltb lte ltf ltg lth lti ltl ltr ltt rbb rbe rbf rbg rbh rbi rbl rbr rbt re- reb ree ref reg reh rei rel rer ret rfb rfe rff rfg rfh rfi rfl rfr rft rgb rge rgf rgg rgh rgi rgr rgt rh- rhb rhe rhf rhg rhh rhi rhl rhr rht rib rie rif rig rih rii ril rir rit rle rlf rlg rlh rli rll rlr rlt rrb rrf rrg rrh rri rrl rrr rrt rtb rte rtf rtg rti rtl rtr rtt tbb tbe tbf tbg tbh tbi tbl tbr tbt te- teb tee tef teg teh tei tel ter tet tfb tfe tff tfg tfh tfi tfl tfr tft tgb tge tgf tgg tgh tgi tgl tgr tgt th- thb the thf thg thh thi thl thr tht tib tie tif tig tih tii til tir tit tle tlf tlg tlh tli tll tlr tlt trb tre trf trg trh tri trl trr trt ttb tte ttf ttg tth tti ttl ttr ttt