-ic b-u bbb bbc bbf bbh bbi bbl bbn bbu bcb bcc bcf bch bci bcl bcn bcu bfb bfc bff bfh bfi bfl bfn bfu bhb bhc bhf bhh bhi bhl bhu bi- bib bic bif bih bii bil bin biu blb blc blf blh bli bll bln blu bnb bnc bnf bni bnl bnn bnu bub buc buf buh bui bul bun buu c-- cbb cbc cbf cbh cbi cbl cbn cbu ccb ccc ccf cch cci ccl ccn ccu cfb cfc cff cfh cfi cfl cfn cfu ch- chb chc chf chh chi chl chn chu ci- cib cic cif cih cii cil cin ciu cl- clb clc clf clh cli cll cln clu cn- cnb cnc cnf cnh cni cnl cnn cnu cub cuc cuf cuh cui cul cun cuu fbb fbc fbf fbh fbi fbl fbn fbu fcb fcc fcf fci fcl fcn fcu ffc fff ffh ffi ffl ffn ffu fhb fhc fhf fhh fhi fhl fhn fib fic fif fih fii fil fin fiu flb flc flf fli fll fln flu fnb fnc fnf fnh fni fnl fnn fnu fub fuf fui ful fun fuu h-i hbb hbc hbf hbh hbi hbl hbn hbu hcb hcc hcf hch hci hcl hcn hfb hfc hff hfh hfi hfl hfn hfu hhb hhc hhf hhh hhi hhl hhn hhu hib hic hif hih hii hil hin hiu hlb hlc hlf hlh hli hll hln hlu hnb hnc hnf hnh hnl hnn hnu hub huc huf huh hui hul hun huu i-f ibb ibc ibf ibh ibi ibl ibn ibu icb icc icf ich ici icl icn icu ifb ifc iff ifi ifl ifn ifu ihb ihc ihf ihh ihi ihl ihn ihu iib iic iif iih iii iil iin iiu il- ilb ilc ilf ilh ili ill iln ilu in- inb inc inf inh ini inl inn inu iu- iub iuc iui lbb lbc lbf lbh lbi lbl lbu lcb lcc lcf lch lci lcl lcn lcu lfb lfc lff lfh lfi lfl lfn lfu lhb lhc lhf lhh lhi lhu lib lic lif lih lii lil lin liu llb llc llf lli lll lln llu lnb lnc lnh lni lnl lnn lnu lub luc luf luh lui lul lun luu n-i nbb nbc nbf nbi nbl nbn nbu ncb ncc ncf nch nci ncl ncn ncu nfb nfc nff nfi nfl nfn nfu nhb nhc nhf nhh nhi nhl nhn nhu nib nic nif nih nii nil nin niu nlb nlc nlf nlh nli nll nln nlu nnb nnc nnf nnh nni nnl nnn nnu nub nuc nuh nui nul nun nuu ubb ubc ubf ubh ubi ubl ubn ubu ucb ucc ucf uch uci ucl ucn ucu ufc uff ufh ufi ufl ufn ufu uhb uhc uhf uhh uhi uhl uhu uib uic uif uii uil uin uiu ulb ulc ulf uli ull uln ulu un- unb unc unf unh uni unl unn unu uuc uun uuu