-ic b-u bbb bbc bbd bbi bbn bbo bbr bbu bbx bcb bcc bcd bci bcn bco bcr bcu bcx bdb bdc bdd bdi bdo bdr bdu bdx bi- bib bic bid bii bin bio bir biu bix bnb bnc bnd bni bnn bno bnr bnu bnx bob boc bod boi bon boo bor bou box brb brd bri brn bro brr bru brx bub buc bud bui bun buo bur buu bux bxb bxd bxi bxn bxo bxx c-- cbb cbc cbd cbi cbn cbo cbr cbu cbx ccb ccc ccd cci ccn cco ccr ccu ccx cdb cdc cdd cdi cdn cdo cdr cdu cdx ci- cib cic cid cii cin cio cir ciu cix cn- cnb cnc cnd cni cnn cno cnr cnu cnx co- cob coc cod coi con coo cor cou cox crb crc crd cri crn cro crr cru crx cub cuc cud cui cun cuo cur cuu cxc cxi cxo cxr cxx dbb dbc dbd dbi dbn dbo dbr dbu dbx dcb dcc dcd dci dcn dco dcr dcu dcx ddb ddc ddd ddi ddn ddo ddr ddu ddx di- dib dic did dii din dio dir diu dix dnb dnc dnd dni dnn dno dnr dob doc dod doi don doo dor dou dox drb drc drd dri drn dro drr dru drx dub duc dud dui dun duo dur dux dxc dxd dxi dxn dxo dxr dxx i-d ibb ibc ibd ibi ibn ibo ibr ibu ibx icb icc icd ici icn ico icr icu idb idc idd idi idn ido idr idu idx iib iic iid iii iin iio iir iiu iix in- inb inc ind ini inn ino inr inu inx io- iob ioc iod ioi ion ioo ior iou ir- irb irc ird iri irn iro irr iru irx iu- iub iuc iud iui iur ixc ixi ixn n-i nbb nbc nbd nbi nbn nbo nbr nbu nbx ncb ncc ncd nci ncn nco ncr ncu ncx ndb ndc ndd ndi ndn ndo ndr ndu nib nic nid nii nin nio nir niu nix nnb nnc nni nnn nno nnu no- nob noc nod noi non noo nor nou nox nrb nrc nrd nri nrn nro nrr nru nrx nub nuc nud nui nun nuo nur nuu nux nxc nxd o-i ob- obb obc obd obi obn obo obr obu obx oc- ocb occ ocd oci ocn oco ocr ocu ocx odb odc odd odi odn odo odr odu oib oic oid oii oin oio oir oiu on- onb onc ond oni onn ono onr onu onx oo- oob ooc ood ooi oon ooo oor oox or- orb orc ord ori orn oro orr oru orx ou- ouc oud oui oun ouo our ox- oxb oxc oxi oxn oxo oxx rbb rbc rbd rbi rbn rbo rbr rbu rbx rcb rcc rcd rci rcn rco rcr rcu rcx rdb rdc rdd rdi rdn rdo rdr rdu rdx rib ric rid rii rin rio rir rix rnb rnc rnd rni rnn rno rnr rnu rob roc rod roi ron roo ror rou rox rrb rrc rrd rri rrn rrr rru rub ruc rud rui run ruo rur ruu rux rxr ubb ubc ubi ubn ubo ubr ubu ubx ucb ucc ucd uci ucn uco ucr ucu udb udc udd udi udn udo udr udu udx uib uic uid uii uin uio uir uiu un- unb unc und uni unn uno unr unu unx uob uoc uod uon uoo uor uox ur- urb urc urd uri urn uro urr uru urx uuc uun uur uuu uxb uxc uxo uxr uxu xbc xbr xbx xcb xcd xci xcr xcx xdb xdc xdi xdr xic xii xin xio xiu xix xnc xno xnu xoc xod xoi xon xoo xor xox xrc xrd xrx xui xun xxi xxo xxx