-ji bbb bbi bbo bbr bbs bbt bi- bib bii bij bio bir bis bit bji bjj bjr bjs bjt bob boi boj boo bor bos bot brb bri brj bro brr brs brt bsb bsi bsj bso bsr bss bst btb bti bto btr bts btt ibb ibi ibj ibo ibr ibs ibt iib iii iij iio iir iis iit ijb iji ijo ijs ijt io- iob ioi ioj ioo ior ios iot ir- irb iri irj iro irr irs irt is- isb isi isj iso isr iss ist itb iti itj ito its itt j-i jbi jbj jbo jbr jbs jbt jib jii jij jio jir jis jit jjb jjj jjr jjs job joi joj joo jor jos jot jrb jri jro jrr jrs jrt jsb jsi jsj jso jsr jss jst jtb jti jtr jts jtt o-i ob- obb obi obj obo obr obs obt oib oii oio oir ois oit ojb oji ojo ojs oo- oob ooi ooo oor oos oot or- orb ori oro orr ors ort os- osb osi osj oso osr oss ost ot- otb oti oto otr ots ott rbb rbi rbo rbr rbs rbt rib rii rio rir ris rit rjr rob roi roj roo ror ros rot rrb rri rrr rrs rrt rsb rsi rsj rso rsr rss rst rtb rti rtj rto rtr rts rtt sbb sbi sbj sbo sbr sbs sbt sib sii sij sio sir sis sit sjb sji sjj sjr sjs sjt sob soi soj soo sor sos sot sr- srb sri srj sro srr srs srt ss- ssb ssi ssj sso ssr sss sst stb sti stj sto str sts stt tbb tbi tbj tbo tbr tbs tbt tib tii tio tir tis tit tji tjo tjr tjs to- tob toi toj too tor tos tot trb tri tro trr trs trt tsb tsi tsj tso tsr tss tst ttb tti tto ttr tts ttt

bbbb bbbs bibb bibi bibo bibs biis biji bijs bio- bioi bios biot birb biri biro birr birs birt bis- biso biss bist bito bits bitt bobb bobi bobo bobs boi- boii bois boit boji bojo bojt boob boor boos boot bor- 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 bsos bsts btob btor btrt btss bttb ibis ibos ibot ibri ibro ibss ibtb ibts iiii iiio iiis iiit iioi iioo iios iirs iisi iisj iisr iist iitr iitt ijji iobi ioii ioio ioit iooi iooo ioos iori iors ioso ioto iri- irio iris irob irri irrs irti irts isbt isis isit iso- isor isos isri issi isso issr isss isti istj isto istr ists itbs itis itoi itoo itor itos itri itrs itsi itso itto j-ro jbob jibb jibi jibs jiji jiri jiro jirt jiso jist jiti jito jits jobo jobs joio jois joit joji jojo joor joos joot joro jort joso joss jost joto jots jott jrbr jssr jsss jtsb obbo obis obit oboi obor obos obot obri obro obsr obss obst obts oiii oios oirt oist oiti ojos oobi ooij ooji oooo ooos oort oosi oost ootb oots orbb orbi orbo orbs ori- orio oris orit orji oro- oror oros orot orri orro orrs orsi orso orto orts osii osis osoi osoo osor osos osro ossb ossi osso osti ostr osts otbs otis otit oto- otoo otor otos otro otrs otso otti otto otts rbbb rbbr rbbs rbis rbss rbst rib- ribo ribs riis riji rijo rijs rios riot riri rirs risi riso riss rist riti rito rits ritt rob- robb robi robo robs robt roio roir rois roit roji rojo rojs roob rooi roor roos root rori roro rort rosi roso ross rost roti rotj roto rotr rots rott rrrr rsbi rsis rsos rsts rtss rtts s-ib s-ii s-os sbbs sbor sbot sbsi sbst sibi sibo sibs siit sijo sijt sior sios siot siri siro sirr sirs sirt sisi siss sist sit- siti sito sits sitt sjis sjrt sobo sobr sobs sobt soir sois soit soji soor soos soot sorb sori soro sorr sors sort sosi soso soss sost soto sots srib sris sros srtr ssbr ssis ssit ssot ssri ssrs sssb sssi ssss sstb ssts stbs stib stio stir stis stit stob stoo stor stos stot stri stro strs stsi stss sttr tbbs tbit tbrb tbst tibi tibs tiit tiji tijo tijs tios tirb tiri tiro tirr tirs tisb tisi tiso tiss tist titi tito tits titt tjsj tobi tobo tobs tobt tois toit toji tojo toor toos toot tori toro torr tors tort tosb tosi toso toss tost toti toto totr tots tott tri- trib trio tris trit troi troo tros trot trsi trst trtr tsis tsob tsoi tsos tssi tssr tsst tsts ttbb ttss tttt

-itis bibbo bibbs bibio bibis bibos bibri biojs bioss biros birrs birst birts bisto bitis bitit bitti bitto bitts bo-bo bobbi bobos bobr bobri bobst bobts boios boiro boist boito boobs booit booji boors boort boost boots borbo borio boris boro- boroo boros borot borro borsi borst borts bosio bosor bossi bosso botis botos botro botti botts briot brisb brisi briss brist brito brits britt brobo brobs broos bross broto brrrr btr-t i-bot ibibo ibros iiiii iiris iisir iitti iobit ioooi ioooo iorio iotit iotti irbis irbit irios iris- iriss irobo irori irrit irssi is-is isios isiro isisi isiti isits isitt isrib issor istoo itbit itiji itisi itiso itobi itoss itsit itsso itsto ittoo ittti j-bis jboss jibbs jists jitsi jobbi jobos joist jooss joost jooto joris jorts josso jotto jstor o-r-b obits oboro obosi oirot oitti ojiji ojiro oobit ooioo ooooo orbis orbit orbot oribi orist orito orits orobo orosi oroso orost orris orsis orsit orsjo ortoo ososo ossi- ossis ossos ostir ostis ostri ostro otisb otobi otori otoso ototo otros ottir ottis ottoi ottos ribbi ribo- ribot riots risso risti risto ritts ro-ro robbi robbo robbs robo- robor robot robrt roiot roist roosi roost roots rorts