c-- ccc ccd cce ccf cck ccl ccn ccu cdc cdd cde cdf cdk cdl cdn cdu ce- cec ced cee cef cek cel cen ceu cfc cfd cfe cff cfk cfl cfn cfu ckc ckd cl- clc cld cle clf clk cll cln clu cn- cnc cnd cne cnf cnl cnn cnu cuc cud cue cuf cuk cul cun cuu dcc dcd dce dcf dck dcl dcn dcu ddc ddd dde ddf ddk ddl ddn ddu de- dec ded dee def dek del den deu dfc dfd dfe dff dfk dfl dfn dfu dkc dke dkk dkl dku dl- dlc dld dle dlf dlk dll dlu dnc dnd dne dnf dnk dnl dnn duc dud due duf duk dul dun ec- ecc ecd ece ecf eck ecl ecn ecu ed- edc edd ede edf edk edl edn edu eec eed eee eef eek eel een ef- efc efd efe eff efl ekc ekd eke ekf ekl eku elc eld ele elf elk ell eln elu en- enc end ene enf enk enl enn enu eu- euc eud eue euf eul eun fcc fcd fce fcf fck fcl fcn fcu fdc fdd fde fdf fdk fdl fdn fdu fec fed fee fef fek fel fen feu ffc ffd ffe fff ffk ffl ffn ffu fkc fkf fkk fkl flc fld fle flf fll fln flu fnc fnd fne fnf fnk fnl fnn fnu fud fue fuf fuk ful fun fuu kcc kcd kce kck kcl kcn kcu kdc kde kdf kdk kdl kdu ke- kec ked kee kef kek kel ken kfc kfd kff kfu kkc kke kkk kkl kkn kku kl- klc kld klf klu kn- knc knd kne knf knk knl knn knu kuc kud kue kuk kul kun kuu lcc lcd lce lcf lck lcl lcn lcu ldc ldd lde ldf ldk ldl ldn ldu lec led lee lef lek lel len leu lfc lfd lfe lff lfk lfl lfn lfu lkl llc lld lle llf llk lll lln llu lnc lnd lne lnk lnl lnn lnu luc lud lue luf luk lul lun luu ncc ncd nce ncf nck ncl ncn ncu ndc ndd nde ndf ndk ndl ndn ndu ne- nec ned nee nef nek nel nen neu nfc nfd nfe nff nfk nfl nfn nfu nkc nke nkf nkk nkn nku nlc nld nle nlf nlk nll nln nlu nnc nne nnf nnk nnl nnn nnu nuc nud nue nuk nul nun nuu ucc ucd uce ucf uck ucl ucn ucu udc udd ude udf udk udl udn udu uec ued uee uef uel uen ufc ufd ufe uff ufl ufn ufu ukc uke ukf ukk ukl ukn uku ulc uld ule ulf ulk ull uln ulu un- unc und une unf unk unl unn unu uuc uue uun uuu