-ic b-u bbb bbc bbd bbe bbi bbn bbo bbu bcb bcc bcd bce bci bcn bco bcu bdb bdc bdd bde bdi bdo bdu be- beb bec bed bee bei ben beo beu bi- bib bic bid bie bii bin bio biu bnb bnc bnd bne bni bnn bno bnu bob boc bod boe boi bon boo bou bub buc bud bue bui bun buo buu c-- cbb cbc cbd cbe cbi cbn cbo cbu ccb ccc ccd cce cci ccn cco ccu cdb cdc cdd cde cdi cdn cdo cdu ce- ceb cec ced cee cei cen ceo ceu ci- cib cic cid cie cii cin cio ciu cn- cnb cnc cnd cne cni cnn cno cnu co- cob coc cod coe coi con coo cou cub cuc cud cue cui cun cuo cuu dbb dbc dbd dbe dbi dbn dbo dbu dcb dcc dcd dce dci dcn dco dcu ddb ddc ddd dde ddi ddn ddo ddu de- deb dec ded dee dei den deo deu di- dib dic did die dii din dio diu dnb dnc dnd dne dni dnn dno dob doc dod doe doi don doo dou dub duc dud due dui dun duo ebb ebc ebd ebe ebi ebn ebo ebu ec- ecb ecc ecd ece eci ecn eco ecu ed- edb edc edd ede edi edn edo edu eeb eec eed eee een eeo eib eic eid eie eii ein eio eiu en- enb enc end ene eni enn eno enu eo- eob eoc eod eoe eoi eon eoo eou eu- eub euc eud eue eui eun i-d ibb ibc ibd ibe ibi ibn ibo ibu icb icc icd ice ici icn ico icu idb idc idd ide idi idn ido idu ie- iec ied iee iei ien iib iic iid iie iii iin iio iiu in- inb inc ind ine ini inn ino inu io- iob ioc iod ioe ioi ion ioo iou iu- iub iuc iud iue iui n-i nbb nbc nbd nbe nbi nbn nbo nbu ncb ncc ncd nce nci ncn nco ncu ndb ndc ndd nde ndi ndn ndo ndu ne- neb nec ned nee nei nen neo neu nib nic nid nie nii nin nio niu nnb nnc nne nni nnn nno nnu no- nob noc nod noe noi non noo nou nub nuc nud nue nui nun nuo nuu o-i ob- obb obc obd obe obi obn obo obu oc- ocb occ ocd oci ocn oco ocu odb odc odd ode odi odn odo odu oeb oec oed oee oei oen oeo oib oic oid oie oii oin oio oiu on- onb onc ond one oni onn ono onu oo- oob ooc ood ooi oon ooo ou- ouc oud oue oui oun ouo ubb ubc ube ubi ubn ubo ubu ucb ucc ucd uce uci ucn uco ucu udb udc udd ude udi udn udo udu ueb uec ued uee uei uen uib uic uid uie uii uin uio uiu un- unb unc und une uni unn uno unu uob uoc uod uoe uon uoo uuc uue uun uuu