-ic bbb bbc bbf bbi bbn bbo bbr bbt bcb bcc bcf bci bcn bco bcr bct bfb bfc bff bfi bfn bfo bfr bft bi- bib bic bif bii bin bio bir bit bnb bnc bnf bni bnn bno bnr bnt bob boc bof boi bon boo bor bot brb brf bri brn bro brr brt btb btc btf bti btn bto btr btt c-- cbb cbc cbf cbi cbn cbo cbr cbt ccb ccc ccf cci ccn cco ccr cct cfb cfc cff cfi cfn cfo cfr cft ci- cib cic cif cii cin cio cir cit cn- cnb cnc cnf cni cnn cno cnr cnt co- cob coc cof coi con coo cor cot crb crc crf cri crn cro crr crt ctb ctc ctf cti ctn cto ctr ctt fbb fbc fbf fbi fbn fbo fbr fbt fcb fcc fcf fci fcn fco fcr fct ffc fff ffi ffn ffo ffr fft fib fic fif fii fin fir fit fnb fnc fnf fni fnn fnr fnt fob foc fof foi fon foo for fot frb frc frf fri frn fro frr frt ftb ftc ftf fti ftn fto ftr ftt i-f ibb ibc ibf ibi ibn ibo ibr ibt icb icc icf ici icn ico icr ict ifb ifc iff ifi ifn ifo ifr ift iib iic iif iii iin iio iir iit in- inb inc inf ini inn ino inr int io- iob ioc iof ioi ion ioo ior iot ir- irb irc irf iri irn iro irr irt itb itc itf iti itn ito itt n-i nbb nbc nbf nbi nbn nbo nbr nbt ncb ncc ncf nci ncn nco ncr nct nfb nfc nff nfi nfn nfo nfr nft nib nic nif nii nin nio nir nit nnb nnc nnf nni nnn nno nnt no- nob noc nof noi non noo nor not nrb nrc nrf nri nrn nro nrr nrt ntb ntc ntf nti ntn nto ntr ntt o-i ob- obb obc obf obi obn obo obr obt oc- ocb occ ocf oci ocn oco ocr oct of- ofb ofc off ofi ofn ofo ofr oft oib oic oif oii oin oio oir oit on- onb onc onf oni onn ono onr ont oo- oob ooc oof ooi oon ooo oor oot or- orb orc orf ori orn oro orr ort ot- otb otc otf oti otn oto otr ott rbb rbc rbf rbi rbn rbo rbr rbt rcb rcc rcf rci rcn rco rcr rct rfb rfc rff rfi rfn rfo rfr rft rib ric rif rii rin rio rir rit rnb rnc rni rnn rno rnr rnt rob roc rof roi ron roo ror rot rrb rrc rrf rri rrn rrr rrt rtb rtc rtf rti rtn rto rtr rtt tbb tbc tbf tbi tbn tbo tbr tbt tcb tcc tcf tci tcn tco tcr tct tfb tfc tff tfi tfn tfo tfr tft tib tic tif tii tin tio tir tit tnb tnc tnf tni tnn tno tnr tnt to- tob toc tof toi ton too tor tot trb trc trf tri trn tro trr trt ttb ttc ttf tti ttn tto ttr ttt

bbbb bbci bbfc bbfn bbin bbrc bcbc bccc bcci bcfc bcit bcof bcor bctc bftt bibb bibi bibo bicc bici bico biff bifi biin bin- binc bini binn bino bint bio- bioc bioi bion biot birb biri birn biro birr birt bitc bito bitt bnib bnin bnoc bnor bnrr bobb bobi bobo boco boff boi- boii boin boit bonc boni bonn bono bont boob booc boof boon boor boot bor- borf bori born boro borr bort botb boti botn boto bott brcb brfc bric brin brio brit brno brob broc bron broo bror brot brrr brtc btcc btfc btob btor btrc btrt bttb c-bo cbbc cbcc cbcn cbcr cbct cbfb cbfc cbir cbit cbot cbrn cbrt cbtc cbtf ccbc ccbn cccb cccc cccf ccci ccfc ccff ccfi ccic ccii ccir ccnb ccnc ccnf ccni ccnr ccob ccoc ccrc ccrf ccri ccrt cctb cctc cctt cfbc cfbn cfbr cfbt cfcb cfcf cfcn cfco cffb cffr cfit cfnb cfni cfnr cfor cfrb cfrn cfrt cftc cftr cibc cibi cibo cicc cici cico cicr cict ciff ciii ciit cin- cinc cinf cini cino cint ciob cion cior cirb circ ciri ciro cirr cirt citb citf citi cito citt cnbc cnci cnco cnib cnic cnrc cnrr cnrt cntc cntf cntr cobb cobi cobo coco coct cofc coff cofi coft coif coin coir coit con- conc conf coni conn cono cont coob coof coon coot cor- corb corc corf cori corn coro corr cort cotb cotc coti cotn coto cott crbc crcc crcr crfc crib cric crif crin crit crob croc cron croo cror crot crrt crtc crtf ctbi ctcf ctfc ctfo ctic ctor ctot ctrc ctrn cttn fccf fcic fcii fcot fcto ffcc ffff ffii ffrr fftf ficc fico fict fifc fiff fifi fifo fift fiii fini finn fino fint fion fior firn fitc fiti fitt fnci fntb fobt foci foco fofo foin fono font foof foon foot for- forb fori forn foro forr fort foti foto fott frbc frcc frcn frfc frib fric frin frio frit frob fron frot ft-c ftfc ftii i-no ibfi ibon ibot ibrc ibri ibro ibtb ibtc icbc iccb iccc iccf icci iccn icco iccr icct icfb icnb icnc icoc icon icor icrc icrf icrr icrt ifbb ifco ific ifit ifni ifno ifnr ifor ifrb ifrf ifri iftn ifto iiii iiio iiit iino iioi iioo iirc iitr iitt inbo incb inci inco incr infi info init inni inno innr ino- inoi inon inor inot inri inro inti intn into intr iobi ioci iofc ioii ioio ioit ioni ionn iono ioof iooi iooo iori iotf ioto ircc iri- iric irin irio irob iroc iron irrc irri irtf irti itic itif itin itno itof itoi iton itoo itor itrf itri ittf itto n-ii nbbc nbbo nbcc nbci nbco nbfc nbic nbti ncbc ncbi nccc nccf ncci nccn nccr ncct ncfc ncit ncnc ncoc ncor ncrc ncri