-ic -ol bbb bbc bbg bbi bbk bbl bbn bbo bcb bcc bcg bci bck bcl bcn bco bgb bgc bgg bgi bgk bgl bgn bgo bi- bib bic big bii bik bil bin bio bkb bkc bkg bkk bkl bkn bko blb blc blg bli blk bll bln blo bnb bnc bng bni bnk bnl bnn bno bob boc bog boi bok bol bon boo c-- cbb cbc cbg cbi cbk cbl cbn cbo ccb ccc ccg cci cck ccl ccn cco cgb cgc cgg cgi cgl cgn cgo ci- cib cic cig cii cik cil cin cio ckb ckc cki cko cl- clb clc clg cli clk cll cln clo cn- cnb cnc cng cni cnl cnn cno co- cob coc cog coi cok col con coo gbc gbg gbi gbk gbl gbn gbo gcb gcc gcg gci gck gcl gcn gco ggb ggc ggg ggi ggn ggo gib gic gig gii gik gil gin gio gkb gkn gko glb glc glg gli glk gll gln glo gnb gnc gni gnl gnn gno gob goc gog goi gok gol gon goo ibb ibc ibg ibi ibk ibl ibn ibo icb icc icg ici ick icl icn ico igb igc igg igi igk igl ign igo iib iic iii iil iin iio ikb ikc iki ikk ikl iko il- ilb ilc ilg ili ilk ill iln ilo in- inb inc ing ini ink inl inn ino io- iob ioc iog ioi iol ion ioo kbb kbc kbi kbk kbl kbn kbo kcb kcc kcg kci kck kcl kcn kgb kgc kgi kgl kgo kib kic kig kii kik kil kin kio kkb kkc kki kkk kkl kkn kl- klb klc klg kli klo kn- knc kng kni knk knl knn kno kob koc kog koi kok kol kon koo lbb lbc lbg lbi lbk lbl lbo lcb lcc lcg lci lck lcl lcn lco lgb lgc lgg lgi lgk lgl lgn lgo lib lic lig lii lik lil lin lio lkb lkg lkl llb llc llg lli llk lll lln llo lnb lnc lng lni lnk lnl lnn lno lob loc log loi lok lol lon loo n-i nbb nbc nbg nbi nbk nbl nbn nbo ncb ncc ncg nci nck ncl ncn nco ngb ngc ngg ngi ngk ngl ngn ngo nib nic nig nii nik nil nin nio nkc nki nkk nkn nko nlb nlc nlg nli nlk nll nln nlo nnb nnc nng nni nnk nnl nnn nno no- nob noc nog noi nok nol non noo o-i ob- obb obc obg obi obk obl obn obo oc- ocb occ ocg oci ock ocl ocn oco ogc ogg ogi ogl ogn ogo oib oic oii oik oil oin oio okb okc okg oki okk okl oko olb olc olg oli olk oll oln olo on- onb onc ong oni onk onl onn ono oo- oob ooc oog ooi ook ool oon ooo