-ic bbb bbc bbd bbf bbi bbn bbo bbr bcb bcc bcd bcf bci bcn bco bcr bcv bdb bdc bdd bdf bdi bdo bdr bdv bfb bfc bfd bff bfi bfn bfo bfr bfv bi- bib bic bid bif bii bin bio bir biv bnb bnc bnd bnf bni bnn bno bnr bnv bob boc bod bof boi bon boo bor bov brb brd brf bri brn bro brr brv bvb bvc bvd bvi bvn bvo bvr bvv c-- cbb cbc cbd cbf cbi cbn cbo cbr cbv ccb ccc ccd ccf cci ccn cco ccr ccv cdb cdc cdd cdf cdi cdn cdo cdr cdv cfb cfc cfd cff cfi cfn cfo cfr cfv ci- cib cic cid cif cii cin cio cir civ cn- cnb cnc cnd cnf cni cnn cno cnr cnv co- cob coc cod cof coi con coo cor cov crb crc crd crf cri crn cro crr crv cvb cvc cvd cvf cvi cvn cvo cvr cvv dbb dbc dbd dbf dbi dbn dbo dbr dbv dcb dcc dcd dcf dci dcn dco dcr dcv ddb ddc ddd ddf ddi ddn ddo ddr dfb dfc dfd dff dfi dfn dfo dfr dfv di- dib dic did dif dii din dio dir div dnb dnc dnd dnf dni dnn dno dnr dob doc dod dof doi don doo dor dov drb drc drd dri drn dro drr drv dvb dvc dvd dvi dvn dvr fbb fbc fbd fbf fbi fbn fbo fbr fcb fcc fcd fcf fci fcn fco fcr fcv fdb fdc fdd fdf fdi fdn fdo fdr ffc ffd fff ffi ffn ffo ffr ffv fib fic fid fif fii fin fir fnb fnc fnd fnf fni fnn fnr fnv fob foc fof foi fon foo for frb frc frd frf fri frn fro frr fvc fvd i-d i-f i-v ibb ibc ibd ibf ibi ibn ibo ibr ibv icb icc icd icf ici icn ico icr icv idb idc idd idf idi idn ido idr idv ifb ifc ifd iff ifi ifn ifo ifr iib iic iid iif iii iin iio iir in- inb inc ind inf ini inn ino inr inv io- iob ioc iod iof ioi ion ioo ior iov ir- irb irc ird irf iri irn iro irr irv ivb ivc ivd ivf ivi ivo ivr ivv n-i nbb nbc nbd nbf nbi nbn nbo nbr nbv ncb ncc ncd ncf nci ncn nco ncr ncv ndb ndc ndd ndf ndi ndn ndo ndr ndv nfb nfc nfd nff nfi nfn nfo nfr nfv nib nic nid nif nii nin nio nir niv nnb nnc nnf nni nnn nno nnv no- nob noc nod nof noi non noo nor nov nrb nrc nrd nrf nri nrn nro nrr nrv nvb nvc nvd nvi nvn nvv o-i ob- obb obc obd obf obi obn obo obr obv oc- ocb occ ocd ocf oci ocn oco ocr ocv odb odc odd odf odi odn odo odr odv of- ofb ofc ofd off ofi ofn ofo ofr ofv oib oic oid oif oii oin oio oir oiv on- onb onc ond onf oni onn ono onr oo- oob ooc ood oof ooi oon ooo oor oov or- orb orc ord orf ori orn oro orr orv ov- ovb ovc ovd ovf ovi ovo ovv rbb rbc rbd rbf rbi rbn rbo rbr rcb rcc rcd rcf rci rcn rco rcr rcv rdb rdc rdd rdf rdi rdn rdo rdr rdv rfb rfc rfd rff rfi rfn rfo rfr rfv rib ric rid rif rii rin rio rir riv rnb rnc rnd rni rnn rno rnr rnv rob roc rod rof roi ron roo ror rov rrb rrc rrd rrf rri rrn rrr rvb rvc rvd rvf rvi rvn rvo rvr rvv vbc vbd vbi vbo vbr vbv vcc vcd vcf vci vcn vco vcr vdb vdc vdd vdf vdi vdo vdr vdv vfb vfc vfd vff vfi vfn vfr vfv vi- vib vic vid vif vii vin vio vir viv vn- vnd vnf vni vno vnr vnv vob voc vod vof voi von voo vor vov vrb vrc vrd vrf vri vrn vrr vvb vvc vvi vvo vvr vvv

bbbb bbci bbdd bbdo bbfc bbfn bbin bbrc bcbc bccc bcci bcfc bcof bcor bcvo bd-r bdbc bddc bdii bdin bibb bibi bibo bicc bici bico bidi bido bidr biff bifi biin bin- binc bind bini binn bino bio- bioc bioi bion birb bird biri birn biro birr bivi bnib bnin bnoc bnor bnrr bobb bobi bobo boco bodb bodi bodo bofd boff boi- boid boii boin bonc bond boni bonn bono boob booc bood boof boon boor bor- bord borf bori born boro borr bovi bovo brcb brdo brfc bric brid brin brio brno brob broc brod bron broo bror brrr brvi c-bo c-cd cbbc cbcc cbcn cbcr cbdb cbdc cbdi cbdn cbdo cbfb cbfc cbid cbir cbnd cbrd cbrn cbvb cbvf cbvn cbvr ccbc ccbn cccb cccc cccf ccci cccv ccdc ccdf ccdi ccdn ccdr ccfc ccfd ccff ccfi ccic ccid ccii ccir cciv ccnb ccnc ccnf ccni ccnr ccob ccoc ccod ccrc ccrf ccri ccvi ccvo cd-r cdbf cddb cddr cdic cdii cdio cdiv cdnb cdnc cdnf cdon cdvd cdvi cfbc cfbn cfbr cfbv cfcb cfcf cfcn cfco cffb cffr cfnb cfni cfnr cfor cfrb cfrn cibc cibi cibo cicc cici cico cicr cidc cidi cidr ciff ciid ciii cin- cinc cind cinf cini cino cinv ciob cion cior cirb circ ciri ciro cirr civc civo cnbc cnci cnco cndd cnib cnic cnid cnrc cnrr cobb cobi cobo coco codd codi cofc coff cofi coif coin coir con- conc cond conf coni conn cono conv coob cood coof coon cor- corb corc cord corf cori corn coro corr covo crbc crcc crcr crdc crfc crib cric crif crin crob croc crod cron croo cror cvcc cvfr cvid cvii cvrd cvrr d-bo dbcc dbfc dbfo dbrn dcbc dccb dccc dcci dccv dcdb dcfc dcii dcio dciv dcon dcvd dcvi dddd