-ic -ol b-u bbb bbc bbg bbi bbk bbl bbn bbo bbs bbt bbu bcb bcc bcg bci bck bcl bcn bco bcs bct bcu bgb bgc bgg bgi bgk bgl bgn bgo bgs bgt bgu bi- bib bic big bii bik bil bin bio bis bit biu bkb bkc bkg bkk bkl bkn bko bks bkt blb blc blg bli blk bll bln blo bls blt blu bnb bnc bng bni bnk bnl bnn bno bns bnt bnu bob boc bog boi bok bol bon boo bos bot bou bsb bsc bsg bsi bsk bsl bsn bso bss bst bsu btb btc btg bti btk btl btn bto bts btt btu bub buc bug bui buk bul bun buo bus but buu c-- cbb cbc cbg cbi cbk cbl cbn cbo cbs cbt cbu ccb ccc ccg cci cck ccl ccn cco ccs cct ccu cgb cgc cgg cgi cgl cgn cgo cgs cgt cgu ci- cib cic cig cii cik cil cin cio cis cit ciu ckb ckc cki cko cks ckt cl- clb clc clg cli clk cll cln clo cls clt clu cn- cnb cnc cng cni cnl cnn cno cns cnt cnu co- cob coc cog coi cok col con coo cos cot cou csb csc csg csi csk csl csn cso css cst csu ctb ctc ctg cti ctk ctl ctn cto cts ctt ctu cub cuc cug cui cuk cul cun cuo cus cut cuu gbc gbg gbi gbk gbl gbn gbo gbs gbt gbu gcb gcc gcg gci gck gcl gcn gco gcs gct gcu ggb ggc ggg ggi ggn ggo ggs ggt ggu gib gic gig gii gik gil gin gio gis git giu gkb gkn gko gks gkt glb glc glg gli glk gll gln glo gls glt glu gnb gnc gni gnl gnn gno gns gnt gnu gob goc gog goi gok gol gon goo gos got gou gsb gsc gsg gsi gsk gsl gsn gso gss gst gsu gtb gtc gtg gti gtk gtl gtn gto gts gtt gtu gu- gub guc gug gui guk gul gun guo gus gut guu ibb ibc ibg ibi ibk ibl ibn ibo ibs ibt ibu icb icc icg ici ick icl icn ico ics ict icu igb igc igg igi igk igl ign igo igs igt igu iib iic iii iil iin iio iis iit iiu ikb ikc iki ikk ikl iko iks ikt iku il- ilb ilc ilg ili ilk ill iln ilo ils ilt ilu in- inb inc ing ini ink inl inn ino ins int inu io- iob ioc iog ioi iol ion ioo ios iot iou is- isb isc isg isi isk isl isn iso iss ist isu itb itc itg iti itk itl itn ito its itt itu iu- iub iuc iug iui ius iut k-t kbb kbc kbi kbk kbl kbn kbo kbs kbu kcb kcc kcg kci kck kcl kcn kcs kct kcu kgb kgc kgi kgl kgo kgs kgu kib kic kig kii kik kil kin kio kis kit kiu kkb kkc kki kkk kkl kkn kks kkt kku kl- klb klc klg kli klo kls klt klu kn- knc kng kni knk knl knn kno knt knu kob koc kog koi kok kol kon koo kos kot kou ksb ksc ksg ksi ksk ksl ksn kso kss kst ksu ktb ktc ktg ktk ktl ktn kto kts ktt ktu kub kuc kug kui kuk kul kun kus kut kuu lbb lbc lbg lbi lbk lbl lbo lbs lbt lbu lcb lcc lcg lci lck lcl lcn lco lcs lct lcu lgb lgc lgg lgi lgk lgl lgn lgo lgs lgt lgu lib lic lig lii lik lil lin lio lis lit liu lkb lkg lkl lks lkt llb llc llg lli llk lll lln llo lls llt llu lnb lnc lng lni lnk lnl lnn lno lns lnt lnu lob loc log loi lok lol lon loo los lot lou lsb lsc lsg lsi lsk lsl lsn lso lss lst lsu ltb ltc ltg lti ltk ltl lto lts ltt ltu lub luc lug lui luk lul lun luo lus lut luu n-i nbb nbc nbg nbi nbk nbl nbn nbo nbs nbt nbu ncb ncc ncg nci nck ncl ncn nco ncs nct ncu ngb ngc ngg ngi ngk ngl ngn ngo ngs ngt ngu nib nic nig nii nik nil nin nio nis nit niu nkc nki nkk nkn nko nks nkt nku nlb nlc nlg nli nlk nll nln nlo nls nlt nlu nnb nnc nng nni nnk nnl nnn nno nns nnt nnu no- nob noc nog noi nok nol non noo nos not nou nsb nsc nsg nsi nsk nsl nsn nso nss nst nsu ntb ntc ntg nti ntk ntn nto nts ntt ntu nub nuc nug nui nuk nul nun nuo nus nut nuu o-i ob- obb obc obg obi obk obl obn obo obs obt obu oc- ocb occ ocg oci ock ocl ocn oco ocs oct ocu ogc ogg ogi ogl ogn ogo ogs ogt oib oic oii oik oil oin oio ois oit oiu okb okc okg oki okk okl oko oks oku olb olc olg oli olk oll oln olo ols olt olu on- onb onc ong oni onk onl onn ono ons ont onu oo- oob ooc oog ooi ook ool oon ooo oos oot os- osb osc osg osi osk osl osn oso oss ost osu ot- otb otc otg oti otk otl otn oto ots ott otu ou- ouc oui ouk oul oun ouo ous out sbb sbc sbg sbi sbk sbl sbn sbo sbs sbt sbu scb scc scg sci sck scl scn sco scs sct scu sgb sgc sgg sgi sgk sgl sgn sgo sgs sgt sgu sib sic sig sii sik sil sin sio sis sit siu sk- skb skc skg ski skk skl sko sks skt sku slb slc slg sli slk sll sln slo sls slt slu snb snc sng sni snk snl