-ic -ol bbb bbc bbg bbi bbk bbl bbn bbo bbt bcb bcc bcg bci bck bcl bcn bco bct bgb bgc bgg bgi bgk bgl bgn bgo bgt bi- bib bic big bii bik bil bin bio bit bkb bkc bkg bkk bkl bkn bko bkt blb blc blg bli blk bll bln blo blt bnb bnc bng bni bnk bnl bnn bno bnt bob boc bog boi bok bol bon boo bot btb btc btg bti btk btl btn bto btt c-- cbb cbc cbg cbi cbk cbl cbn cbo cbt ccb ccc ccg cci cck ccl ccn cco cct cgb cgc cgg cgi cgl cgn cgo cgt ci- cib cic cig cii cik cil cin cio cit ckb ckc cki cko ckt cl- clb clc clg cli clk cll cln clo clt cn- cnb cnc cng cni cnl cnn cno cnt co- cob coc cog coi cok col con coo cot ctb ctc ctg cti ctk ctl ctn cto ctt gbc gbg gbi gbk gbl gbn gbo gbt gcb gcc gcg gci gck gcl gcn gco gct ggb ggc ggg ggi ggn ggo ggt gib gic gig gii gik gil gin gio git gkb gkn gko gkt glb glc glg gli glk gll gln glo glt gnb gnc gni gnl gnn gno gnt gob goc gog goi gok gol gon goo got gtb gtc gtg gti gtk gtl gtn gto gtt ibb ibc ibg ibi ibk ibl ibn ibo ibt icb icc icg ici ick icl icn ico ict igb igc igg igi igk igl ign igo igt iib iic iii iil iin iio iit ikb ikc iki ikk ikl iko ikt il- ilb ilc ilg ili ilk ill iln ilo ilt in- inb inc ing ini ink inl inn ino int io- iob ioc iog ioi iol ion ioo iot itb itc itg iti itk itl itn ito itt k-t kbb kbc kbi kbk kbl kbn kbo kcb kcc kcg kci kck kcl kcn kct kgb kgc kgi kgl kgo kib kic kig kii kik kil kin kio kit kkb kkc kki kkk kkl kkn kkt kl- klb klc klg kli klo klt kn- knc kng kni knk knl knn kno knt kob koc kog koi kok kol kon koo kot ktb ktc ktg ktk ktl ktn kto ktt lbb lbc lbg lbi lbk lbl lbo lbt lcb lcc lcg lci lck lcl lcn lco lct lgb lgc lgg lgi lgk lgl lgn lgo lgt lib lic lig lii lik lil lin lio lit lkb lkg lkl lkt llb llc llg lli llk lll lln llo llt lnb lnc lng lni lnk lnl lnn lno lnt lob loc log loi lok lol lon loo lot ltb ltc ltg lti ltk ltl lto ltt n-i nbb nbc nbg nbi nbk nbl nbn nbo nbt ncb ncc ncg nci nck ncl ncn nco nct ngb ngc ngg ngi ngk ngl ngn ngo ngt nib nic nig nii nik nil nin nio nit nkc nki nkk nkn nko nkt nlb nlc nlg nli nlk nll nln nlo nlt nnb nnc nng nni nnk nnl nnn nno nnt no- nob noc nog noi nok nol non noo not ntb ntc ntg nti ntk ntn nto ntt o-i ob- obb obc obg obi obk obl obn obo obt oc- ocb occ ocg oci ock ocl ocn oco oct ogc ogg ogi ogl ogn ogo ogt oib oic oii oik oil oin oio oit okb okc okg oki okk okl oko olb olc olg oli olk oll oln olo olt on- onb onc ong oni onk onl onn ono ont oo- oob ooc oog ooi ook ool oon ooo oot ot- otb otc otg oti otk otl otn oto ott tbb tbc tbg tbi tbk tbl tbn tbo tbt tcb tcc tcg tci tck tcl tcn tco tct tgb tgc tgg tgi tgk tgl tgn tgo tgt tib tic tig tii tik til tin tio tit tkb tkc tkg tkk tkl tko tkt tlc tlg tli tlk tll tln tlo tlt tnb tnc tng tni tnk tnl tnn tno tnt to- tob toc tog toi tok tol ton too tot ttb ttc ttg tti ttk ttl ttn tto ttt