-ic -ol bbb bbc bbg bbi bbl bbn bbo bbr bbs bcb bcc bcg bci bcl bcn bco bcr bcs bgb bgc bgg bgi bgl bgn bgo bgr bgs bi- bib bic big bii bil bin bio bir bis blb blc blg bli bll bln blo blr bls bnb bnc bng bni bnl bnn bno bnr bns bob boc bog boi bol bon boo bor bos brb brg bri brl brn bro brr brs bsb bsc bsg bsi bsl bsn bso bsr bss c-- cbb cbc cbg cbi cbl cbn cbo cbr cbs ccb ccc ccg cci ccl ccn cco ccr ccs cgb cgc cgg cgi cgl cgn cgo cgr cgs ci- cib cic cig cii cil cin cio cir cis cl- clb clc clg cli cll cln clo clr cls cn- cnb cnc cng cni cnl cnn cno cnr cns co- cob coc cog coi col con coo cor cos crb crc crg cri crl crn cro crr crs csb csc csg csi csl csn cso csr css gbc gbg gbi gbl gbn gbo gbr gbs gcb gcc gcg gci gcl gcn gco gcr gcs ggb ggc ggg ggi ggn ggo ggr ggs gib gic gig gii gil gin gio gir gis glb glc glg gli gll gln glo glr gls gnb gnc gni gnl gnn gno gnr gns gob goc gog goi gol gon goo gor gos grb grc grg gri grl grn gro grr grs gsb gsc gsg gsi gsl gsn gso gsr gss ibb ibc ibg ibi ibl ibn ibo ibr ibs icb icc icg ici icl icn ico icr ics igb igc igg igi igl ign igo igr igs iib iic iii iil iin iio iir iis il- ilb ilc ilg ili ill iln ilo ilr ils in- inb inc ing ini inl inn ino inr ins io- iob ioc iog ioi iol ion ioo ior ios ir- irb irc irg iri irl irn iro irr irs is- isb isc isg isi isl isn iso isr iss lbb lbc lbg lbi lbl lbo lbr lbs lcb lcc lcg lci lcl lcn lco lcr lcs lgb lgc lgg lgi lgl lgn lgo lgr lgs lib lic lig lii lil lin lio lir lis llb llc llg lli lll lln llo llr lls lnb lnc lng lni lnl lnn lno lnr lns lob loc log loi lol lon loo lor los lrb lrc lrg lri lrn lro lrr lrs lsb lsc lsg lsi lsl lsn lso lsr lss n-i nbb nbc nbg nbi nbl nbn nbo nbr nbs ncb ncc ncg nci ncl ncn nco ncr ncs ngb ngc ngg ngi ngl ngn ngo ngs nib nic nig nii nil nin nio nir nis nlb nlc nlg nli nll nln nlo nlr nls nnb nnc nng nni nnl nnn nno nns no- nob noc nog noi nol non noo nor nos nrb nrc nrg nri nrl nrn nro nrr nrs nsb nsc nsg nsi nsl nsn nso nsr nss o-i ob- obb obc obg obi obl obn obo obr obs oc- ocb occ ocg oci ocl ocn oco ocr ocs ogc ogg ogi ogl ogn ogo ogs oib oic oii oil oin oio oir ois olb olc olg oli oll oln olo ols on- onb onc ong oni onl onn ono onr ons oo- oob ooc oog ooi ool oon ooo oor oos or- orb orc org ori orl orn oro orr ors os- osb osc osg osi osl osn oso osr oss rbb rbc rbg rbi rbl rbn rbo rbr rbs rcb rcc rcg rci rcl rcn rco rcr rcs rgb rgc rgg rgi rgn rgo rgr rgs rib ric rig rii ril rin rio rir ris rlc rlg rli rll rln rlo rlr rls rnb rnc rng rni rnn rno rnr rns rob roc rog roi rol ron roo ror ros rrb rrc rrg rri rrl rrn rrr rrs rsb rsc rsg rsi rsl rsn rso rsr rss sbb sbc sbg sbi sbl sbn sbo sbr sbs scb scc scg sci scl scn sco scr scs sgb sgc sgg sgi sgl sgn sgo sgr sgs sib sic sig sii sil sin sio sir sis slb slc slg sli sll sln slo slr sls snb snc sng sni snl snn sno snr sns sob soc sog soi sol son soo sor sos sr- srb src srg sri srl srn sro srr srs ss- ssb ssc ssg ssi ssl ssn sso ssr sss