-ic bbb bbc bbe bbi bbl bbn bcb bcc bce bci bcl bcn bcv be- beb bec bee bei bel ben bev bi- bib bic bie bii bil bin biv blb blc ble bli bll bln blv bnb bnc bne bni bnl bnn bnv bvb bvc bve bvi bvl bvn bvv c-- cbb cbc cbe cbi cbl cbn cbv ccb ccc cce cci ccl ccn ccv ce- ceb cec cee cei cel cen cev ci- cib cic cie cii cil cin civ cl- clb clc cle cli cll cln clv cn- cnb cnc cne cni cnl cnn cnv cvb cvc cve cvi cvl cvn cvv ebb ebc ebe ebi ebl ebn ebv ec- ecb ecc ece eci ecl ecn ecv eeb eec eee eel een eev eib eic eie eii eil ein eiv elb elc ele eli ell eln elv en- enb enc ene eni enl enn env evb evc eve evi evl evn evv i-v ibb ibc ibe ibi ibl ibn ibv icb icc ice ici icl icn icv ie- iec iee iei iel ien iev iib iic iie iii iil iin il- ilb ilc ile ili ill iln ilv in- inb inc ine ini inl inn inv ivb ivc ive ivi ivl ivv lbb lbc lbe lbi lbl lbv lcb lcc lce lci lcl lcn lcv leb lec lee lei lel len lev lib lic lie lii lil lin liv llb llc lle lli lll lln llv lnb lnc lne lni lnl lnn lvb lvc lve lvi lvl lvn lvv n-i nbb nbc nbe nbi nbl nbn nbv ncb ncc nce nci ncl ncn ncv ne- neb nec nee nei nel nen nev nib nic nie nii nil nin niv nlb nlc nle nli nll nln nlv nnb nnc nne nni nnl nnn nnv nvb nvc nve nvi nvl nvn nvv v-e vbc vbi vbl vbv vcc vce vci vcl vcn veb vec vee vei vel ven vi- vib vic vie vii vil vin viv vl- vlb vlc vle vll vlv vn- vni vnl vnv vvb vvc vvi vvv