-ic b-u bbb bbc bbd bbe bbi bbo bbu bcb bcc bcd bce bci bco bcu bcv bdb bdc bdd bde bdi bdo bdu bdv be- beb bec bed bee bei beo beu bev bi- bib bic bid bie bii bio biu biv bob boc bod boe boi boo bou bov bub buc bud bue bui buo buu bvb bvc bvd bve bvi bvo bvu bvv c-- cbb cbc cbd cbe cbi cbo cbu cbv ccb ccc ccd cce cci cco ccu ccv cdb cdc cdd cde cdi cdo cdu cdv ce- ceb cec ced cee cei ceo ceu cev ci- cib cic cid cie cii cio ciu civ co- cob coc cod coe coi coo cou cov cub cuc cud cue cui cuo cuu cuv cvb cvc cvd cve cvi cvo cvu cvv dbb dbc dbd dbe dbi dbo dbu dbv dcb dcc dcd dce dci dco dcu dcv ddb ddc ddd dde ddi ddo ddu de- deb dec ded dee dei deo deu dev di- dib dic did die dii dio diu div dob doc dod doe doi doo dou dov dub duc dud due dui duo duv dvb dvc dvd dve dvi dvu ebb ebc ebd ebe ebi ebo ebu ebv ec- ecb ecc ecd ece eci eco ecu ecv ed- edb edc edd ede edi edo edu eeb eec eed eee eeo eev eib eic eid eie eii eio eiu eiv eo- eob eoc eod eoe eoi eoo eou eu- eub euc eud eue eui euv evb evc evd eve evi evo evv i-d i-v ibb ibc ibd ibe ibi ibo ibu ibv icb icc icd ice ici ico icu icv idb idc idd ide idi ido idu idv ie- iec ied iee iei iev iib iic iid iie iii iio iiu io- iob ioc iod ioe ioi ioo iou iov iu- iub iuc iud iue iui ivb ivc ivd ive ivi ivo ivu ivv o-i ob- obb obc obd obe obi obo obu obv oc- ocb occ ocd oci oco ocu ocv odb odc odd ode odi odo odu odv oeb oec oed oee oei oeo oib oic oid oie oii oio oiu oiv oo- oob ooc ood ooi ooo oov ou- ouc oud oue oui ouo ov- ovb ovc ovd ove ovi ovo ovv ubb ubc ube ubi ubo ubu ubv ucb ucc ucd uce uci uco ucu ucv udb udc udd ude udi udo udu udv ueb uec ued uee uei uib uic uid uie uii uio uiu uob uoc uod uoe uoo uuc uue uuu uvb uvc uve uvo uvu uvv v-e vbc vbd vbi vbo vbv vcc vcd vce vci vco vcu vdb vdc vdd vde vdi vdo vdu vdv veb vec ved vee vei veo veu vi- vib vic vid vie vii vio viu viv vob voc vod voe voi voo vou vov vue vuv vvb vvc vvi vvo vvv