-ol -th bbb bbf bbg bbh bbi bbl bbo bbr bbs bbt bfb bff bfg bfh bfi bfl bfo bfr bfs bft bgb bgf bgg bgh bgi bgl bgo bgr bgs bgt bhb bhf bhg bhh bhi bhl bho bhr bhs bht bi- bib bif big bih bii bil bio bir bis bit blb blf blg blh bli bll blo blr bls blt bob bof bog boh boi bol boo bor bos bot brb brf brg brh bri brl bro brr brs brt bsb bsf bsg bsh bsi bsl bso bsr bss bst btb btf btg bth bti btl bto btr bts btt fbb fbf fbg fbh fbi fbl fbo fbr fbs fbt fff ffg ffh ffi ffl ffo ffr ffs fft fgb fgf fgg fgh fgi fgl fgr fgs fgt fhb fhf fhg fhh fhi fhl fho fhr fhs fib fif fig fih fii fil fir fis fit flb flf flg fli fll flo flr fls flt fob fof fog foh foi fol foo for fos fot frb frf frg frh fri frl fro frr frs frt fsb fsf fsg fsh fsi fsl fso fsr fss fst ftb ftf ftg fth fti ftl fto ftr fts ftt gbf gbg gbh gbi gbl gbo gbr gbs gbt gfb gff gfh gfi gfl gfo gfr gfs gft ggb ggg ggh ggi ggo ggr ggs ggt ghb ghg ghh ghi ghl gho ghr ghs ght gib gif gig gih gii gil gio gir gis git glb glf glg glh gli gll glo glr gls glt gob gof gog goh goi gol goo gor gos got grb grf grg grh gri grl gro grr grs grt gsb gsf gsg gsi gsl gso gsr gss gst gtb gtf gtg gth gti gtl gto gtr gts gtt h-i hbb hbf hbg hbh hbi hbl hbo hbr hbs hbt hfb hff hfg hfh hfi hfl hfo hfr hfs hft hgb hgf hgg hgh hgi hgl hgo hgr hgs hgt hhb hhf hhg hhh hhi hhl hho hhr hhs hht hib hif hig hih hii hil hio hir his hit hlb hlf hlg hlh hli hll hlo hlr hls hlt hob hof hog hoh hoi hol hoo hor hos hot hr- hrb hrf hrg hrh hri hrl hro hrr hrs hrt hsb hsf hsg hsh hsi hsl hsr hss hst htb htf htg hth hti htl hto htr hts htt i-f ibb ibf ibg ibh ibi ibl ibo ibr ibs ibt ifb iff ifg ifi ifl ifo ifr ifs ift igb igf igg igh igi igl igo igr igs igt ihb ihf ihg ihh ihi ihl iho ihr ihs iht iib iif iih iii iil iio iir iis iit il- ilb ilf ilg ilh ili ill ilo ilr ils ilt io- iob iof iog ioh ioi iol ioo ior ios iot ir- irb irf irg iri irl iro irr irs irt is- isb isf isg ish isi isl iso isr iss ist itb itf itg ith iti itl ito its itt lbb lbf lbg lbh lbi lbl lbo lbr lbs lbt lfb lff lfg lfh lfi lfl lfo lfr lfs lft lgb lgf lgg lgh lgi lgl lgo lgr lgs lgt lhb lhf lhh lhi lho lhr lhs lht lib lif lig lih lii lil lio lir lis lit llb llf llg lli lll llo llr lls llt lob lof log loh loi lol loo lor los lot lrb lrf lrg lrh lri lro lrr lrs lrt lsb lsf lsg lsh lsi lsl lso lsr lss lst ltb ltf ltg lth lti ltl lto ltr lts ltt o-i ob- obb obf obg obh obi obl obo obr obs obt of- ofb off ofg ofi ofl ofo ofr ofs oft ogf ogg ogh ogi ogl ogo ogs ogt ohf ohg ohh ohi ohl oho ohr ohs oht oib oif oii oil oio oir ois oit olb olf olg oli oll olo ols olt oo- oob oof oog ooh ooi ool ooo oor oos oot or- orb orf org orh ori orl oro orr ors ort os- osb osf osg osh osi osl oso osr oss ost ot- otb otf otg oth oti otl oto otr ots ott rbb rbf rbg rbh rbi rbl rbo rbr rbs rbt rfb rff rfg rfh rfi rfl rfo rfr rfs rft rgb rgf rgg rgh rgi rgo rgr rgs rgt rh- rhb rhf rhg rhh rhi rhl rho rhr rhs rht rib rif rig rih rii ril rio rir ris rit rlf rlg rlh rli rll rlo rlr rls rlt rob rof rog roh roi rol roo ror ros rot rrb rrf rrg rrh rri rrl rrr rrs rrt rsb rsf rsg rsh rsi rsl rso rsr rss rst rtb rtf rtg rti rtl rto rtr rts rtt sbb sbf sbg sbh sbi sbl sbo sbr sbs sbt sfb sff sfg sfh sfi sfl sfo sfr sfs sft sgb sgf sgg sgh sgi sgl sgo sgr sgs sgt sh- shb shf shg shh shi shl sho shr shs sht sib sif sig sih sii sil sio sir sis sit slb slf slg slh sli sll slo slr sls slt sob sof sog soh soi sol soo sor sos sot sr- srb srf srg srh sri srl sro srr srs srt ss- ssb ssf ssg ssh ssi ssl sso ssr sss sst stb stf stg sth sti stl sto str sts stt tbb tbf tbg tbh tbi tbl tbo tbr tbs tbt tfb tff tfg tfh tfi tfl tfo tfr tfs tft tgb tgf tgg tgh tgi tgl tgo tgr tgs tgt th- thb thf thg thh thi thl tho thr ths tht tib tif tig tih tii til tio tir tis tit tlf tlg tlh tli tll tlo tlr tls tlt to- tob tof tog toh toi tol too tor tos tot trb trf trg trh tri trl tro trr trs trt tsb tsf tsg tsh tsi tsl tso tsr tss tst ttb ttf ttg tth tti ttl tto ttr tts ttt