-ic b-u bbb bbc bbi bbn bbo bbr bbt bbu bcb bcc bci bcn bco bcr bct bcu bcz bi- bib bic bii bin bio bir bit biu biz bnb bnc bni bnn bno bnr bnt bnu bnz bob boc boi bon boo bor bot bou boz brb bri brn bro brr brt bru brz btb btc bti btn bto btr btt btu btz bub buc bui bun buo bur but buu buz bzn bzo bzr bzu bzz c-- cbb cbc cbi cbn cbo cbr cbt cbu cbz ccb ccc cci ccn cco ccr cct ccu ccz ci- cib cic cii cin cio cir cit ciu cn- cnb cnc cni cnn cno cnr cnt cnu co- cob coc coi con coo cor cot cou coz crb crc cri crn cro crr crt cru crz ctb ctc cti ctn cto ctr ctt ctu ctz cub cuc cui cun cuo cur cut cuu cuz cz- czc czo czt ibb ibc ibi ibn ibo ibr ibt ibu ibz icb icc ici icn ico icr ict icu icz iib iic iii iin iio iir iit iiu in- inb inc ini inn ino inr int inu io- iob ioc ioi ion ioo ior iot iou ir- irb irc iri irn iro irr irt iru itb itc iti itn ito itt itu itz iu- iub iuc iui iur iut iuz izi izo izu izz n-i nbb nbc nbi nbn nbo nbr nbt nbu ncb ncc nci ncn nco ncr nct ncu nib nic nii nin nio nir nit niu niz nnb nnc nni nnn nno nnt nnu nnz no- nob noc noi non noo nor not nou noz nrb nrc nri nrn nro nrr nrt nru nrz ntb ntc nti ntn nto ntr ntt ntu ntz nub nuc nui nun nuo nur nut nuu nzb nzi nzo nzz o-i ob- obb obc obi obn obo obr obt obu oc- ocb occ oci ocn oco ocr oct ocu ocz oib oic oii oin oio oir oit oiu oiz on- onb onc oni onn ono onr ont onu oo- oob ooc ooi oon ooo oor oot or- orb orc ori orn oro orr ort oru orz ot- otb otc oti otn oto otr ott otu otz ou- ouc oui oun ouo our out ozo ozt ozu ozz rbb rbc rbi rbn rbo rbr rbt rbu rcb rcc rci rcn rco rcr rct rcu rib ric rii rin rio rir rit riz rnb rnc rni rnn rno rnr rnt rnu rnz rob roc roi ron roo ror rot rou roz rrb rrc rri rrn rrr rrt rru rtb rtc rti rtn rto rtr rtt rtu rtz rub ruc rui run ruo rur rut ruu ruz rzb rzo tbb tbc tbi tbn tbo tbr tbt tbu tbz tcb tcc tci tcn tco tcr tct tcu tib tic tii tin tio tir tit tiu tiz tnb tnc tni tnn tno tnr tnt tnz to- tob toc toi ton too tor tot tou toz trb trc tri trn tro trr trt tru trz ttb ttc tti ttn tto ttr ttt ttu tub tuc tui tun tuo tur tut tuu tuz tzu ubb ubc ubi ubn ubo ubr ubt ubu ucb ucc uci ucn uco ucr uct ucu uib uic uii uin uio uir uit uiu un- unb unc uni unn uno unr unt unu uob uoc uon uoo uor uot ur- urb urc uri urn uro urr urt uru urz utb utc uti utn uto utr utt utu utz uuc uun uur uut uuu uzb uzi uzo uzu zbb zbc zbr zbt zco zib zin zio zir zit ziz znc znn zno zo- zob zoc zoi zon zoo zor zot zou zro ztr zub zuc zui zun zur zut zuz zzr zzt zzz

bbbb bbci bbin bbrc bcbc bccc bcci bcit bcnu bcor bcoz bcru bctc bcuc bibb bibi bibo bicc bici bico biin bin- binc bini binn bino bint binu binz bio- bioc bioi bion biot biou birb biri birn biro birr birt biru bitc bito bitt bitu bitz bizu bizz bnib bnin bnoc bnor bnrr bobb bobi bobo bobu boco bocu boi- boii boin boit boiu bonc boni bonn bono bont bonu boob booc boon boor boot booz bor- bori born boro borr bort boru borz botb boti botn boto bott boun bour bout bozi bozo brcb bric brin brio brit briz brno brob broc bron broo bror brot brou broz brrr brtc bruc brun brut bruz btcc btob btor btrc btrt bttb bubb bubi bubo bubu bucc buci buco bucu bucz buic buin buir buit buiu bunb buni bunn buno bunt bunu bunz buon bur- burb buri burn buro burr burt buru burz but- buti buto butt butz buuz buzi buzz bzou bzzt bzzz c-bo cbbc cbcc cbcn cbcr cbct cbcu cbir cbit cbot cbrn cbrt cbtc ccbc ccbn cccb cccc ccci cccu ccic ccii ccir ccnb ccnc ccni ccnr ccnu ccob ccoc ccrc ccri ccrt cctb cctc cctt ccuc ccut cibc cibi cibo cicc cici cico cicr cict cicu ciii ciit cin- cinc cini cino cint ciob cion cior cirb circ ciri ciro cirr cirt citb citi cito citt citu ciuc cnbc cnci cnco cnib cnic cnnz cnrc cnrr cnrt cntc cntr cnut cobb cobi cobo cobu coco coct cocu coin coir coit con- conc coni conn cono cont coob coon coot cor- corb corc cori corn coro corr cort cotb cotc coti cotn coto cott cotu coub coun cour cout cozi cozz crbc crbu crcc crcr crcz crib cric crin crit criu crob croc cron croo cror crot croz crrt crtc crub crun crut cruz ctbi ctic ctor ctot ctrc ctrn cttn cub- cubb cubi cucc cuci cucn cui- cuin cuir cuit cuno cunt cuon curb curi curn curo curr curt cut- cutc cuto cutt cuzo czon i-no ibon ibot ibrc ibri ibro ibtb ibtc icbc iccb iccc icci iccn icco iccr icct iccu icnb icnc icoc icon icor icrc icrr icrt icru icub iczn iiii iiio iiit iino iioi iioo iirc iitr iitt iiuc inbo incb