-ic bbb bbc bbd bbe bbf bbi bbn bbo bbt bcb bcc bcd bce bcf bci bcn bco bct bdb bdc bdd bde bdf bdi bdo bdt be- beb bec bed bee bef bei ben beo bet bfb bfc bfd bfe bff bfi bfn bfo bft bi- bib bic bid bie bif bii bin bio bit bnb bnc bnd bne bnf bni bnn bno bnt bob boc bod boe bof boi bon boo bot btb btc btd bte btf bti btn bto btt c-- cbb cbc cbd cbe cbf cbi cbn cbo cbt ccb ccc ccd cce ccf cci ccn cco cct cdb cdc cdd cde cdf cdi cdn cdo cdt ce- ceb cec ced cee cef cei cen ceo cet cfb cfc cfd cfe cff cfi cfn cfo cft ci- cib cic cid cie cif cii cin cio cit cn- cnb cnc cnd cne cnf cni cnn cno cnt co- cob coc cod coe cof coi con coo cot ctb ctc ctd cte ctf cti ctn cto ctt dbb dbc dbd dbe dbf dbi dbn dbo dbt dcb dcc dcd dce dcf dci dcn dco dct ddb ddc ddd dde ddf ddi ddn ddo ddt de- deb dec ded dee def dei den deo det dfb dfc dfd dfe dff dfi dfn dfo dft di- dib dic did die dif dii din dio dit dnb dnc dnd dne dnf dni dnn dno dnt dob doc dod doe dof doi don doo dot dtb dtc dtd dte dtf dti dtn dto dtt ebb ebc ebd ebe ebf ebi ebn ebo ebt ec- ecb ecc ecd ece ecf eci ecn eco ect ed- edb edc edd ede edf edi edn edo edt eeb eec eed eee eef een eeo eet ef- efb efc efd efe eff efi efo eft eib eic eid eie eif eii ein eio eit en- enb enc end ene enf eni enn eno ent eo- eob eoc eod eoe eof eoi eon eoo eot etb etc etd ete etf eti etn eto ett fbb fbc fbd fbe fbf fbi fbn fbo fbt fcb fcc fcd fce fcf fci fcn fco fct fdb fdc fdd fde fdf fdi fdn fdo fdt feb fec fed fee fef fei fen feo fet ffc ffd ffe fff ffi ffn ffo fft fib fic fid fie fif fii fin fit fnb fnc fnd fne fnf fni fnn fnt fob foc foe fof foi fon foo fot ftb ftc ftd fte ftf fti ftn fto ftt i-d i-f ibb ibc ibd ibe ibf ibi ibn ibo ibt icb icc icd ice icf ici icn ico ict idb idc idd ide idf idi idn ido idt ie- iec ied iee ief iei ien iet ifb ifc ifd ife iff ifi ifn ifo ift iib iic iid iie iif iii iin iio iit in- inb inc ind ine inf ini inn ino int io- iob ioc iod ioe iof ioi ion ioo iot itb itc itd ite itf iti itn ito itt n-i nbb nbc nbd nbe nbf nbi nbn nbo nbt ncb ncc ncd nce ncf nci ncn nco nct ndb ndc ndd nde ndf ndi ndn ndo ndt ne- neb nec ned nee nef nei nen neo net nfb nfc nfd nfe nff nfi nfn nfo nft nib nic nid nie nif nii nin nio nit nnb nnc nne nnf nni nnn nno nnt no- nob noc nod noe nof noi non noo not ntb ntc ntd nte ntf nti ntn nto ntt o-i ob- obb obc obd obe obf obi obn obo obt oc- ocb occ ocd ocf oci ocn oco oct odb odc odd ode odf odi odn odo odt oeb oec oed oee oef oei oen oeo oet of- ofb ofc ofd ofe off ofi ofn ofo oft oib oic oid oie oif oii oin oio oit on- onb onc ond one onf oni onn ono ont oo- oob ooc ood oof ooi oon ooo oot ot- otb otc otd ote otf oti otn oto ott tbb tbc tbd tbe tbf tbi tbn tbo tbt tcb tcc tcd tce tcf tci tcn tco tct tdb tdc tdd tde tdf tdi tdn tdo tdt te- teb tec ted tee tef tei ten teo tet tfb tfc tfd tfe tff tfi tfn tfo tft tib tic tid tie tif tii tin tio tit tnb tnc tnd tne tnf tni tnn tno tnt to- tob toc tod toe tof toi ton too tot ttb ttc ttd tte ttf tti ttn tto ttt