-ic b-u bbb bbc bbd bbi bbn bbo bbu bbx bcb bcc bcd bci bcn bco bcu bcx bdb bdc bdd bdi bdo bdu bdx bi- bib bic bid bii bin bio biu bix bnb bnc bnd bni bnn bno bnu bnx bob boc bod boi bon boo bou box bub buc bud bui bun buo buu bux bxb bxd bxi bxn bxo bxx c-- cbb cbc cbd cbi cbn cbo cbu cbx ccb ccc ccd cci ccn cco ccu ccx cdb cdc cdd cdi cdn cdo cdu cdx ci- cib cic cid cii cin cio ciu cix cn- cnb cnc cnd cni cnn cno cnu cnx co- cob coc cod coi con coo cou cox cub cuc cud cui cun cuo cuu cxc cxi cxo cxx dbb dbc dbd dbi dbn dbo dbu dbx dcb dcc dcd dci dcn dco dcu dcx ddb ddc ddd ddi ddn ddo ddu ddx di- dib dic did dii din dio diu dix dnb dnc dnd dni dnn dno dob doc dod doi don doo dou dox dub duc dud dui dun duo dux dxc dxd dxi dxn dxo dxx i-d ibb ibc ibd ibi ibn ibo ibu ibx icb icc icd ici icn ico icu idb idc idd idi idn ido idu idx iib iic iid iii iin iio iiu iix in- inb inc ind ini inn ino inu inx io- iob ioc iod ioi ion ioo iou iu- iub iuc iud iui ixc ixi ixn n-i nbb nbc nbd nbi nbn nbo nbu nbx ncb ncc ncd nci ncn nco ncu ncx ndb ndc ndd ndi ndn ndo ndu nib nic nid nii nin nio niu nix nnb nnc nni nnn nno nnu no- nob noc nod noi non noo nou nox nub nuc nud nui nun nuo nuu nux nxc nxd o-i ob- obb obc obd obi obn obo obu obx oc- ocb occ ocd oci ocn oco ocu ocx odb odc odd odi odn odo odu oib oic oid oii oin oio oiu on- onb onc ond oni onn ono onu onx oo- oob ooc ood ooi oon ooo oox ou- ouc oud oui oun ouo ox- oxb oxc oxi oxn oxo oxx ubb ubc ubi ubn ubo ubu ubx ucb ucc ucd uci ucn uco ucu udb udc udd udi udn udo udu udx uib uic uid uii uin uio uiu un- unb unc und uni unn uno unu unx uob uoc uod uon uoo uox uuc uun uuu uxb uxc uxo uxu xbc xbx xcb xcd xci xcx xdb xdc xdi xic xii xin xio xiu xix xnc xno xnu xoc xod xoi xon xoo xox xui xun xxi xxo xxx