-ic -ol bbb bbc bbd bbf bbi bbl bbo bbr bcb bcc bcd bcf bci bcl bco bcr bdb bdc bdd bdf bdi bdl bdo bdr bfb bfc bfd bff bfi bfl bfo bfr bi- bib bic bid bif bii bil bio bir blb blc bld blf bli bll blo blr bob boc bod bof boi bol boo bor brb brd brf bri brl bro brr c-- cbb cbc cbd cbf cbi cbl cbo cbr ccb ccc ccd ccf cci ccl cco ccr cdb cdc cdd cdf cdi cdl cdo cdr cfb cfc cfd cff cfi cfl cfo cfr ci- cib cic cid cif cii cil cio cir cl- clb clc cld clf cli cll clo clr co- cob coc cod cof coi col coo cor crb crc crd crf cri crl cro crr dbb dbc dbd dbf dbi dbl dbo dbr dcb dcc dcd dcf dci dcl dco dcr ddb ddc ddd ddf ddi ddl ddo ddr dfb dfc dfd dff dfi dfl dfo dfr di- dib dic did dif dii dil dio dir dl- dlb dlc dld dlf dli dll dlo dlr dob doc dod dof doi dol doo dor drb drc drd dri drl dro drr fbb fbc fbd fbf fbi fbl fbo fbr fcb fcc fcd fcf fci fcl fco fcr fdb fdc fdd fdf fdi fdl fdo fdr ffc ffd fff ffi ffl ffo ffr fib fic fid fif fii fil fir flb flc fld flf fli fll flo flr fob foc fof foi fol foo for frb frc frd frf fri frl fro frr i-d i-f ibb ibc ibd ibf ibi ibl ibo ibr icb icc icd icf ici icl ico icr idb idc idd idf idi idl ido idr ifb ifc ifd iff ifi ifl ifo ifr iib iic iid iif iii iil iio iir il- ilb ilc ild ilf ili ill ilo ilr io- iob ioc iod iof ioi iol ioo ior ir- irb irc ird irf iri irl iro irr lbb lbc lbd lbf lbi lbl lbo lbr lcb lcc lcd lcf lci lcl lco lcr ldb ldc ldd ldf ldi ldl ldo ldr lfb lfc lfd lff lfi lfl lfo lfr lib lic lid lif lii lil lio lir llb llc lld llf lli lll llo llr lob loc lod lof loi lol loo lor lrb lrc lrd lrf lri lro lrr o-i ob- obb obc obd obf obi obl obo obr oc- ocb occ ocd ocf oci ocl oco ocr odb odc odd odf odi odl odo odr of- ofb ofc ofd off ofi ofl ofo ofr oib oic oid oif oii oil oio oir olb olc old olf oli oll olo oo- oob ooc ood oof ooi ool ooo oor or- orb orc ord orf ori orl oro orr rbb rbc rbd rbf rbi rbl rbo rbr rcb rcc rcd rcf rci rcl rco rcr rdb rdc rdd rdf rdi rdl rdo rdr rfb rfc rfd rff rfi rfl rfo rfr rib ric rid rif rii ril rio rir rlc rld rlf rli rll rlo rlr rob roc rod rof roi rol roo ror rrb rrc rrd rrf rri rrl rrr

bbbb bbci bbdd bbdo bbfc bblb bbrc bcbc bccc bcci bccl bcfc bcof bcor bd-r bdbc bddc bdii bffl bibb bibi bibl bibo bicc bici bico bidi bido bidr biff bifi bild bili bill bilo bio- bioc bioi biol birb bird biri birl biro birr bldc bldr blfc blic blio blir blob bloc blod bloo blrc bobb bobi bobo boco bodb bodi bodo bofd boff boi- boid boii boil bold boli boll bolo boob booc bood boof bool boor bor- bord borf bori boro borr brcb brdo brfc bric brid bril brio brob broc brod brol broo bror brrr c-bo c-cd cbbc cbcc cbcl cbcr cbdb cbdc cbdi cbdo cbfb cbfc cbid cbir cblb cblc cbol cbrd cbrl ccbc cccb cccc cccf ccci cccl ccdc ccdf ccdi ccdr ccfc ccfd ccff ccfi ccfl ccic ccid ccii ccil ccir cclc ccli ccob ccoc ccod ccrc ccrf ccri ccrl cd-r cdbf cddb cddl cddr cdic cdii cdio cdli cfbc cfbr cfcb cfcf cfcl cfco cffb cffr cfor cfrb cibc cibi cibo cicc cici cico cicr cidc cidi cidr ciff cifl ciid ciii cili cill cilo ciob cior cirb circ ciri cirl ciro cirr clcd cldc cldr clib clic clif clii clio clir clob clod clof cloo clor clrd clri clro cobb cobi cobo coco codd codi codl cofc coff cofi coif coil coir col- colb cold coli coll colo coob cood coof cool cor- corb corc cord corf cori corl coro corr crbc crcc crcr crdc crfc crfl crib cric crif crlf crob croc crod crol croo cror d-bo dbcc dbfc dbfo dcbc dccb dccc dcci dccl dcdb dcfc dcii dcil dcio dcli dddd ddlc ddoc ddrc dfcc dfco dfrf dfri dibb dibo dici dico didi dido dif- diff diii dilf dili dill dilo dioc diol dior dird dirl dirr dlbd dlco dlib dlii dlil dobb dobi dobl doci doco dod- dodd dodi dodo doff doid doil dold dolf doli doll dolo doob dood doof dool door dorc dord dorf dori doro dorr drbc drfc drib dric drif dril drob drod drof drol fccf fcic fcii fdic fdlr fdoc ffcc ffff ffii ffrr ficc fico fidc fidf fido fifc fiff fifi fifo fiii fiil fild fili fill filo fior flcl fldr flic flid flii flob floc flod floo flor foci foco fofo foid foil folc fold foli foll folo folr food foof fool for- forb ford fori forl foro forr frbc frcc frfc frib fric frid fril frio frob frol ibdo ibfi ibid ibrc ibrd ibri ibro icbc icbd iccb iccc iccf icci iccl icco iccr icdc icdd icdl icfb icll iclr icoc icod icor icrc icrf icrr idcr iddo idfc idic idid idil idio idir idli idoc idol idrc idrf idro ifbb ifcd ifco ific ifid ifil ifor ifrb ifrf ifri iicd iiii iiio iioi iioo iirc ilbc ilcd ilic ilio ilir ill- illd illi illo iloc iloo