-ic b-p bbb bbc bbf bbi bbo bbp bbr bbt bcb bcc bcf bci bco bcp bcr bct bfb bfc bff bfi bfo bfp bfr bft bi- bib bic bif bii bio bip bir bit bob boc bof boi boo bop bor bot bpb bpc bpf bpi bpo bpp bpr bpt brb brf bri bro brp brr brt btb btc btf bti bto btp btr btt c-- cbb cbc cbf cbi cbo cbp cbr cbt ccb ccc ccf cci cco ccp ccr cct cfb cfc cff cfi cfo cfp cfr cft ci- cib cic cif cii cio cip cir cit co- cob coc cof coi coo cop cor cot cpb cpc cpf cpi cpo cpp cpr cpt crb crc crf cri cro crp crr crt ctb ctc ctf cti cto ctp ctr ctt fbb fbc fbf fbi fbo fbp fbr fbt fcb fcc fcf fci fco fcp fcr fct ffc fff ffi ffo ffp ffr fft fib fic fif fii fip fir fit fob foc fof foi foo fop for fot fpb fpc fpi fpo fpp fpr fpt frb frc frf fri fro frp frr frt ftb ftc ftf fti fto ftp ftr ftt i-f ibb ibc ibf ibi ibo ibp ibr ibt icb icc icf ici ico icp icr ict ifb ifc iff ifi ifo ifp ifr ift iib iic iif iii iio iip iir iit io- iob ioc iof ioi ioo iop ior iot ipb ipc ipf ipi ipo ipp ipr ipt ir- irb irc irf iri iro irp irr irt itb itc itf iti ito itp itt o-i ob- obb obc obf obi obo obp obr obt oc- ocb occ ocf oci oco ocp ocr oct of- ofb ofc off ofi ofo ofp ofr oft oib oic oif oii oio oip oir oit oo- oob ooc oof ooi ooo oop oor oot op- opb opc opf opi opo opp opr opt or- orb orc orf ori oro orp orr ort ot- otb otc otf oti oto otp otr ott p-p pbb pbc pbf pbi pbo pbp pbr pbt pcb pcc pcf pci pco pcp pcr pct pfb pfc pff pfi pfo pfp pfr pft pib pic pif pii pio pip pir pit pob poc pof poi poo pop por pot ppb ppc ppf ppi ppo ppp ppr ppt prb prc prf pri pro prp prr prt pt- ptb ptc ptf pti pto ptp ptr ptt rbb rbc rbf rbi rbo rbp rbr rbt rcb rcc rcf rci rco rcp rcr rct rfb rfc rff rfi rfo rfp rfr rft rib ric rif rii rio rip rir rit rob roc rof roi roo rop ror rot rpb rpc rpf rpi rpo rpp rpr rpt rrb rrc rrf rri rrp rrr rrt rtb rtc rtf rti rto rtp rtr rtt tbb tbc tbf tbi tbo tbp tbr tbt tcb tcc tcf tci tco tcp tcr tct tfb tfc tff tfi tfo tfp tfr tft tib tic tif tii tio tip tir tit to- tob toc tof toi too top tor tot tpb tpc tpf tpi tpo tpp tpr tpt trb trc trf tri tro trp trr trt ttb ttc ttf tti tto ttp ttr ttt

bbbb bbci bbfc bbpr bbrc bcbc bcbp bccc bcci bcfc bcit bcof bcor bcpp bctc bfpo bfpp bftt bibb bibi bibo bicc bici bico biff bifi bio- bioc bioi biot bipp birb biri biro birr birt bitc bito bitt bobb bobi bobo boco boff boi- boii boit boob booc boof boop boor boot bopp bor- borf bori boro borr bort botb boti boto bott bpcp bpfc bpot bprc bptf bpti brcb brfc bric brio brit brob broc broo bror brot brrr brtc btbp btcc btfc btob btor btrc btrt bttb c-bo cbbc cbcc cbcp cbcr cbct cbfb cbfc cbir cbit cbot cbpc cbpp cbrt cbtc cbtf ccbc cccb cccc cccf ccci cccp ccfc ccff ccfi ccic ccii ccip ccir ccob ccoc ccpp ccpr ccrc ccrf ccri ccrp ccrt cctb cctc cctt cfbc cfbr cfbt cfcb cfcf cfco cffb cffr cfit cfor cfpo cfpr cfrb cfrp cfrt cftc cftr cibc cibi cibo cicc cici cico cicr cict ciff ciii ciit ciob cior cipf cipo cipp cirb circ ciri ciro cirr cirt citb citf citi cito citp citt cobb cobi cobo coco cocp coct cofc coff cofi coft coif coip coir coit coob coof coop coot copi copo copp copr copt cor- corb corc corf cori coro corp corr cort cotb cotc coti coto cott cpbc cpff cpft cpic cpif cpio cpri cprt cptp cptr crbc crcc crcr crfc crib cric crif crip crit crob croc croo crop cror crot crpc crrt crtc crtf crtp ctbi ctcf ctcp ctfc ctfo ctic ctor ctot ctpo ctpp ctrc ctrp fbop fccf fccp fcic fcii fcot fcto ffcc ffff ffii ffrr fftf fibp ficc fico fict fifc fiff fifi fifo fift fiii fior fipp fitc fiti fitt fobt foci foco fofo foof foot fopp for- forb fori foro forr fort foti foto fotp fott fp-c fpcc fpct fprf frbc frcc frcp frfc frib fric frio frip frit frob frop frot ft-c ftfc ftii ftop ibfi ibot ibrc ibri ibro ibtb ibtc icbc icbp iccb iccc iccf icci icco iccp iccr icct icfb icoc icor icpc icpo icrc icrf icrr icrt ictp ifbb ifco ifcp ific ifit ifor ifpo ifrb ifrf ifri ifto iiii iiio iiit iioi iioo iiop iipf iirc iitr iitt iobi ioci iocp iofc ioii ioio ioit ioof iooi iooo iori iotf ioto ipcc ipct ipfc ipop ippc ippf ippo ippr ipri iptc ipto irbp ircc iri- iric irio irip irob iroc irop irpc irrc irri irtf irti irtp itic itif itof itoi itoo itor itpc itrf itri ittf itto obbo obit oboi obor obot obri obro ocbc occc occi occt ocfp ocpp ocro ocrr oct- octi octo ofcr off- offc offo offr ofit ofor oftp oici oiii oipc oirt oitc oiti oobi oocr ooff oooo oort ootb ootp opic opii opio opit opo- opor oppi oppo opti opto orbb orbi orbo orci orco orff orfi ori-