-ji bbb bbf bbi bbo bbr bbs bbt bfb bff bfi bfj bfo bfr bfs bft bi- bib bif bii bij bio bir bis bit bjf bji bjj bjr bjs bjt bob bof boi boj boo bor bos bot brb brf bri brj bro brr brs brt bsb bsf bsi bsj bso bsr bss bst btb btf bti bto btr bts btt fbb fbf fbi fbo fbr fbs fbt fff ffi ffo ffr ffs fft fib fif fii fij fir fis fit fjb fji fjs fob fof foi foo for fos fot frb frf fri frj fro frr frs frt fsb fsf fsi fsj fso fsr fss fst ftb ftf fti fto ftr fts ftt i-f ibb ibf ibi ibj ibo ibr ibs ibt ifb iff ifi ifo ifr ifs ift iib iif iii iij iio iir iis iit ijb ijf iji ijo ijs ijt io- iob iof ioi ioj ioo ior ios iot ir- irb irf iri irj iro irr irs irt is- isb isf isi isj iso isr iss ist itb itf iti itj ito its itt j-i jbf jbi jbj jbo jbr jbs jbt jfb jff jfi jfj jfo jfr jfs jft jib jif jii jij jio jir jis jit jjb jjf jjj jjr jjs job jof joi joj joo jor jos jot jrb jrf jri jro jrr jrs jrt jsb jsf jsi jsj jso jsr jss jst jtb jtf jti jtr jts jtt o-i ob- obb obf obi obj obo obr obs obt of- ofb off ofi ofo ofr ofs oft oib oif oii oio oir ois oit ojb oji ojo ojs oo- oob oof ooi ooo oor oos oot or- orb orf ori oro orr ors ort os- osb osf osi osj oso osr oss ost ot- otb otf oti oto otr ots ott rbb rbf rbi rbo rbr rbs rbt rfb rff rfi rfj rfo rfr rfs rft rib rif rii rio rir ris rit rjf rjr rob rof roi roj roo ror ros rot rrb rrf rri rrr rrs rrt rsb rsf rsi rsj rso rsr rss rst rtb rtf rti rtj rto rtr rts rtt sbb sbf sbi sbj sbo sbr sbs sbt sfb sff sfi sfj sfo sfr sfs sft sib sif sii sij sio sir sis sit sjb sjf sji sjj sjr sjs sjt sob sof soi soj soo sor sos sot sr- srb srf sri srj sro srr srs srt ss- ssb ssf ssi ssj sso ssr sss sst stb stf sti stj sto str sts stt tbb tbf tbi tbj tbo tbr tbs tbt tfb tff tfi tfj tfo tfr tfs tft tib tif tii tio tir tis tit tjf tji tjo tjr tjs to- tob tof toi toj too tor tos tot trb trf tri tro trr trs trt tsb tsf tsi tsj tso tsr tss tst ttb ttf tti tto ttr tts ttt

bbbb bbbs bffs bfsi bfsr bfts bftt bibb bibi bibo bibs biff bifi biis biji bijs bio- bioi bios biot birb biri biro birr birs birt bis- biso biss bist bito bits bitt bobb bobi bobo bobs boff bofs boi- boii bois boit boji bojo bojt boob boof boor boos boot bor- borf bori borj boro borr bors bort bosi boso boss bost botb boti boto bots bott brio bris brit brob broo bror bros brot brrr brrs brsb brsr brst bsff bsfs bsos bsts btob btor btrt btss bttb fbis fbrs ffff ffii ffrr ffss fftf fibs fiff fifi fifo fift fiii fiji fior fios firs fisi fiss fist fiti fits fitt fobs fobt fofo fois foof foos foot for- forb fori forj foro forr fors fort fosb fosi foso foss fost foti foto fots fott frib frio fris frit frob fros frot frsb frso frst fsfi fsfo fssf ftii ftos ftrs ftsj ftsr ibfi ibis ibos ibot ibri ibro ibsf ibss ibtb ibts ifbb ifis ifit ifor ifrb ifrf ifri ifsb ifso ifto iiii iiio iiis iiit iioi iioo iios iirs iisi iisj iisr iist iitr iitt ijji iobi ioii ioio ioit ioof iooi iooo ioos iori iors ioso iotf ioto iri- irio iris irob irri irrs irsf irtf irti irts isbt isfj isis isit iso- isof isor isos isri issf issi isso issr isss isti istj isto istr ists itbs itif itis itof itoi itoo itor itos itrf itri itrs itsf itsi itso ittf itto j-ro jbob jffs jftr jibb jibi jibs jiff jiji jiri jiro jirt jiso jist jiti jito jits jobo jobs jofr joio jois joit joji jojo joof joor joos joot jorf joro jort joso joss jost joto jots jott jrbr jsft jssr jsss jtsb obbo obis obit oboi obor obos obot obri obro obsr obss obst obts off- offo offr offs ofit ofor ofst oiii oios oirt oist oiti ojos oobi ooff oofs ooij ooji oooo ooos oort oosi oost ootb oots orbb orbi orbo orbs orff orfi orfs ori- orif orio oris orit orji oro- orof oror oros orot orri orro orrs orsi orso orto orts osii osis osoi osoo osor osos osro ossb ossi osso osti ostr osts otbs otif otis otit oto- otof otoo otor otos otro otrs otso otti otto otts rbbb rbbr rbbs rbis rbss rbst rib- ribo ribs riff rifs rift riif riis rijf riji rijo rijs rios riot riri rirs risi riso riss rist riti rito rits ritt rob- robb robi robo robs robt roff rofo roif roio roir rois roit roji rojo rojs roob roof rooi roor roos root rori roro rort rosi roso ross rost roti rotj roto rotr rots rott rrif rrrr rsbi rsis rsos rsts rtbf rtfb rtss rtts s-ib s-ii s-os sbbs sbor sbot sbsi sbst sfij sfio sfor sfos sfro sfss sfts sibi sibo sibs siff sifo sifr sift siit sijo sijt sior sios siot sirf siri siro sirr sirs sirt sisi siss sist sit- siti sito sits sitt sjis sjrt sobo sobr sobs sobt sofi sofo soft soif soir sois soit soji soof soor soos soot sorb sori soro sorr sors sort