-ic -ol bbb bbc bbd bbg bbi bbl bbo bbr bcb bcc bcd bcg bci bcl bco bcr bdb bdc bdd bdg bdi bdl bdo bdr bgb bgc bgd bgg bgi bgl bgo bgr bi- bib bic bid big bii bil bio bir blb blc bld blg bli bll blo blr bob boc bod bog boi bol boo bor brb brd brg bri brl bro brr c-- cbb cbc cbd cbg cbi cbl cbo cbr ccb ccc ccd ccg cci ccl cco ccr cdb cdc cdd cdg cdi cdl cdo cdr cgb cgc cgd cgg cgi cgl cgo cgr ci- cib cic cid cig cii cil cio cir cl- clb clc cld clg cli cll clo clr co- cob coc cod cog coi col coo cor crb crc crd crg cri crl cro crr dbb dbc dbd dbg dbi dbl dbo dbr dcb dcc dcd dcg dci dcl dco dcr ddb ddc ddd ddg ddi ddl ddo ddr dgc dgd dgg dgi dgl dgr di- dib dic did dig dii dil dio dir dl- dlb dlc dld dlg dli dll dlo dlr dob doc dod dog doi dol doo dor drb drc drd drg dri drl dro drr g-d gbc gbd gbg gbi gbl gbo gbr gcb gcc gcd gcg gci gcl gco gcr gdb gdc gdd gdi gdl gdo gdr ggb ggc ggd ggg ggi ggo ggr gib gic gid gig gii gil gio gir glb glc gld glg gli gll glo glr gob goc god gog goi gol goo gor grb grc grd grg gri grl gro grr i-d ibb ibc ibd ibg ibi ibl ibo ibr icb icc icd icg ici icl ico icr idb idc idd idg idi idl ido idr igb igc igd igg igi igl igo igr iib iic iid iii iil iio iir il- ilb ilc ild ilg ili ill ilo ilr io- iob ioc iod iog ioi iol ioo ior ir- irb irc ird irg iri irl iro irr lbb lbc lbd lbg lbi lbl lbo lbr lcb lcc lcd lcg lci lcl lco lcr ldb ldc ldd ldg ldi ldl ldo ldr lgb lgc lgd lgg lgi lgl lgo lgr lib lic lid lig lii lil lio lir llb llc lld llg lli lll llo llr lob loc lod log loi lol loo lor lrb lrc lrd lrg lri lro lrr o-i ob- obb obc obd obg obi obl obo obr oc- ocb occ ocd ocg oci ocl oco ocr odb odc odd odg odi odl odo odr ogc ogd ogg ogi ogl ogo oib oic oid oii oil oio oir olb olc old olg oli oll olo oo- oob ooc ood oog ooi ool ooo oor or- orb orc ord org ori orl oro orr rbb rbc rbd rbg rbi rbl rbo rbr rcb rcc rcd rcg rci rcl rco rcr rdb rdc rdd rdg rdi rdl rdo rdr rgb rgc rgd rgg rgi rgo rgr rib ric rid rig rii ril rio rir rlc rld rlg rli rll rlo rlr rob roc rod rog roi rol roo ror rrb rrc rrd rrg rri rrl rrr