-ic -th b-u bbb bbc bbf bbg bbh bbi bbr bbt bbu bcb bcc bcf bcg bch bci bcr bct bcu bfb bfc bff bfg bfh bfi bfr bft bfu bgb bgc bgf bgg bgh bgi bgr bgt bgu bhb bhc bhf bhg bhh bhi bhr bht bhu bi- bib bic bif big bih bii bir bit biu brb brf brg brh bri brr brt bru btb btc btf btg bth bti btr btt btu bub buc buf bug buh bui bur but buu c-- cbb cbc cbf cbg cbh cbi cbr cbt cbu ccb ccc ccf ccg cch cci ccr cct ccu cfb cfc cff cfg cfh cfi cfr cft cfu cgb cgc cgg cgh cgi cgr cgt cgu ch- chb chc chf chg chh chi chr cht chu ci- cib cic cif cig cih cii cir cit ciu crb crc crf crg crh cri crr crt cru ctb ctc ctf ctg cth cti ctr ctt ctu cub cuc cuf cug cuh cui cur cut cuu fbb fbc fbf fbg fbh fbi fbr fbt fbu fcb fcc fcf fcg fci fcr fct fcu ffc fff ffg ffh ffi ffr fft ffu fgb fgc fgf fgg fgh fgi fgr fgt fhb fhc fhf fhg fhh fhi fhr fib fic fif fig fih fii fir fit fiu frb frc frf frg frh fri frr frt fru ftb ftc ftf ftg fth fti ftr ftt ftu fub fuf fug fui fur fut fuu gbc gbf gbg gbh gbi gbr gbt gbu gcb gcc gcf gcg gch gci gcr gct gcu gfb gfc gff gfh gfi gfr gft ggb ggc ggg ggh ggi ggr ggt ggu ghb ghc ghg ghh ghi ghr ght gib gic gif gig gih gii gir git giu grb grc grf grg grh gri grr grt gru gtb gtc gtf gtg gth gti gtr gtt gtu gu- gub guc guf gug gui gur gut guu h-i hbb hbc hbf hbg hbh hbi hbr hbt hbu hcb hcc hcf hcg hch hci hcr hct hfb hfc hff hfg hfh hfi hfr hft hfu hgb hgc hgf hgg hgh hgi hgr hgt hgu hhb hhc hhf hhg hhh hhi hhr hht hhu hib hic hif hig hih hii hir hit hiu hr- hrb hrc hrf hrg hrh hri hrr hrt hru htb htc htf htg hth hti htr htt hub huc huf hug huh hui hur hut huu i-f ibb ibc ibf ibg ibh ibi ibr ibt ibu icb icc icf icg ich ici icr ict icu ifb ifc iff ifg ifi ifr ift ifu igb igc igf igg igh igi igr igt igu ihb ihc ihf ihg ihh ihi ihr iht ihu iib iic iif iih iii iir iit iiu ir- irb irc irf irg iri irr irt iru itb itc itf itg ith iti itt itu iu- iub iuc iug iui iur iut rbb rbc rbf rbg rbh rbi rbr rbt rbu rcb rcc rcf rcg rch rci rcr rct rcu rfb rfc rff rfg rfh rfi rfr rft rfu rgb rgc rgf rgg rgh rgi rgr rgt rh- rhb rhc rhf rhg rhh rhi rhr rht rhu rib ric rif rig rih rii rir rit rrb rrc rrf rrg rrh rri rrr rrt rru rtb rtc rtf rtg rti rtr rtt rtu rub ruc ruf rug ruh rui rur rut ruu tbb tbc tbf tbg tbh tbi tbr tbt tbu tcb tcc tcf tcg tch tci tcr tct tcu tfb tfc tff tfg tfh tfi tfr tft tfu tgb tgc tgf tgg tgh tgi tgr tgt tgu th- thb thc thf thg thh thi thr tht thu tib tic tif tig tih tii tir tit tiu trb trc trf trg trh tri trr trt tru ttb ttc ttf ttg tth tti ttr ttt ttu tub tuc tuf tug tuh tui tur tut tuu ubb ubc ubf ubg ubh ubi ubr ubt ubu ucb ucc ucf ucg uch uci ucr uct ucu ufc uff ufg ufh ufi ufr uft ufu ugb ugc ugf ugg ugh ugi ugr ugt ugu uhb uhc uhf uhh uhi uhr uht uhu uib uic uif uig uii uir uit uiu ur- urb urc urf urg uri urr urt uru utb utc utf uth uti utr utt utu uuc uug uur uut uuu

bbbb bbch bbci bbfc bbrc bbrg bcbc bcbg bccc bcci bcfc bcit bcru bctc bcuc bfgf bftt bgfc bght bhcc bhff bhir bhit bhrt bhur bhut bhuu bibb bibi bicc bicg bich bici biff bifi bigb bigc bigg bigt bigu bihi bihu birb birg biri birr birt biru bitc bith bitt bitu brcb brfc brfu bric brig brih brit brrr brtc bruc brug bruh brut btcc btfc btrc btrt bttb bubb bubi bubu bucc buch buci bucu bufc buff bufr bugg bugh bugi buhi buhr buic buif buir buit buiu bur- burb burg burh buri burr burt buru but- buti butt cbbc cbcc cbcr cbct cbcu cbfb cbfc cbgb cbir cbit cbrh cbrt cbtc cbtf ccbc cccb cccc cccf ccci cccu ccfc ccff ccfi ccgc ccgt cchr ccic ccii ccir ccrc ccrf ccrg ccri ccrt cctb cctc cctt ccuc ccut cfbc cfbr cfbt cfcb cfcf cffb cffr cfit cfrb cfrg cfrt cftc cfth cftr cgcc cgcg cgfc cgtu chch chci chfc chfi chfr chgb chib chic chif chig chih chir chit chiu chrb chrc chrf chrr chrt chtr chtt chub chug chui chur chut cibc cibi cicc cich cici cicr cict cicu ciff cifg cigi cigu cihr ciht ciii ciit cirb circ cirh ciri cirr cirt citb citf citg cith citi citt citu ciuc crbc crbu crcc crcr crfc crib cric crif crig crit criu crrt crtc crtf crub crug crut ctbi ctcf ctfc ctgf ctgu ctic ctrc cub- cubb cubi cucc cuci cufc cuff cufi cui- cuif cuir cuit curb curf curi curr curt cut- cutc cuth cutt fccf fcch fcic fcii ffcc ffff ffii ffrr fftf fghi fhci fhit ficc fich fict fifc fiff fifi fift figc figg fiii fitc fiti fitt frbc frcc frfc frib fric frig frit frub