-ic b-u bbb bbc bbe bbi bbk bbl bbn bbt bbu bcb bcc bce bci bck bcl bcn bct bcu be- beb bec bee bei bek bel ben bet beu bi- bib bic bie bii bik bil bin bit biu bkb bkc bke bkk bkl bkn bkt blb blc ble bli blk bll bln blt blu bnb bnc bne bni bnk bnl bnn bnt bnu btb btc bte bti btk btl btn btt btu bub buc bue bui buk bul bun but buu c-- cbb cbc cbe cbi cbk cbl cbn cbt cbu ccb ccc cce cci cck ccl ccn cct ccu ce- ceb cec cee cei cek cel cen cet ceu ci- cib cic cie cii cik cil cin cit ciu ckb ckc cki ckt cl- clb clc cle cli clk cll cln clt clu cn- cnb cnc cne cni cnl cnn cnt cnu ctb ctc cte cti ctk ctl ctn ctt ctu cub cuc cue cui cuk cul cun cut cuu ebb ebc ebe ebi ebk ebl ebn ebt ebu ec- ecb ecc ece eci eck ecl ecn ect ecu eeb eec eee eek eel een eet eib eic eie eii eik eil ein eit eiu ekb ekc eke eki ekl ekt eku elb elc ele eli elk ell eln elt elu en- enb enc ene eni enk enl enn ent enu etb etc ete eti etk etl etn ett etu eu- eub euc eue eui eul eun eut ibb ibc ibe ibi ibk ibl ibn ibt ibu icb icc ice ici ick icl icn ict icu ie- iec iee iei iek iel ien iet iib iic iie iii iil iin iit iiu ikb ikc ike iki ikk ikl ikt iku il- ilb ilc ile ili ilk ill iln ilt ilu in- inb inc ine ini ink inl inn int inu itb itc ite iti itk itl itn itt itu iu- iub iuc iue iui iut k-t kbb kbc kbe kbi kbk kbl kbn kbu kcb kcc kce kci kck kcl kcn kct kcu ke- keb kec kee kei kek kel ken ket kib kic kie kii kik kil kin kit kiu kkb kkc kke kki kkk kkl kkn kkt kku kl- klb klc kli klt klu kn- knc kne kni knk knl knn knt knu ktb ktc kte ktk ktl ktn ktt ktu kub kuc kue kui kuk kul kun kut kuu lbb lbc lbe lbi lbk lbl lbt lbu lcb lcc lce lci lck lcl lcn lct lcu leb lec lee lei lek lel len let leu lib lic lie lii lik lil lin lit liu lkb lkl lkt llb llc lle lli llk lll lln llt llu lnb lnc lne lni lnk lnl lnn lnt lnu ltb ltc lte lti ltk ltl ltt ltu lub luc lue lui luk lul lun lut luu n-i nbb nbc nbe nbi nbk nbl nbn nbt nbu ncb ncc nce nci nck ncl ncn nct ncu ne- neb nec nee nei nek nel nen net neu nib nic nie nii nik nil nin nit niu nkc nke nki nkk nkn nkt nku nlb nlc nle nli nlk nll nln nlt nlu nnb nnc nne nni nnk nnl nnn nnt nnu ntb ntc nte nti ntk ntn ntt ntu nub nuc nue nui nuk nul nun nut nuu tbb tbc tbe tbi tbk tbl tbn tbt tbu tcb tcc tce tci tck tcl tcn tct tcu te- teb tec tee tei tek tel ten tet teu tib tic tie tii tik til tin tit tiu tkb tkc tke tkk tkl tkt tlc tle tli tlk tll tln tlt tlu tnb tnc tne tni tnk tnl tnn tnt ttb ttc tte tti ttk ttl ttn ttt ttu tub tuc tue tui tuk tul tun tut tuu ubb ubc ube ubi ubk ubl ubn ubt ubu ucb ucc uce uci uck ucl ucn uct ucu ueb uec uee uei uel uen uet uib uic uie uii uil uin uit uiu ukb ukc uke uki ukk ukl ukn uku ulb ulc ule uli ulk ull uln ult ulu un- unb unc une uni unk unl unn unt unu utb utc ute uti utk utl utn utt utu uuc uue uun uut uuu