-ic b-u bbb bbc bbd bbi bbo bbr bbu bcb bcc bcd bci bco bcr bcu bcv bdb bdc bdd bdi bdo bdr bdu bdv bi- bib bic bid bii bio bir biu biv bob boc bod boi boo bor bou bov brb brd bri bro brr bru brv bub buc bud bui buo bur buu bvb bvc bvd bvi bvo bvr bvu bvv c-- cbb cbc cbd cbi cbo cbr cbu cbv ccb ccc ccd cci cco ccr ccu ccv cdb cdc cdd cdi cdo cdr cdu cdv ci- cib cic cid cii cio cir ciu civ co- cob coc cod coi coo cor cou cov crb crc crd cri cro crr cru crv cub cuc cud cui cuo cur cuu cuv cvb cvc cvd cvi cvo cvr cvu cvv dbb dbc dbd dbi dbo dbr dbu dbv dcb dcc dcd dci dco dcr dcu dcv ddb ddc ddd ddi ddo ddr ddu di- dib dic did dii dio dir diu div dob doc dod doi doo dor dou dov drb drc drd dri dro drr dru drv dub duc dud dui duo dur duv dvb dvc dvd dvi dvr dvu i-d i-v ibb ibc ibd ibi ibo ibr ibu ibv icb icc icd ici ico icr icu icv idb idc idd idi ido idr idu idv iib iic iid iii iio iir iiu io- iob ioc iod ioi ioo ior iou iov ir- irb irc ird iri iro irr iru irv iu- iub iuc iud iui iur ivb ivc ivd ivi ivo ivr ivu ivv o-i ob- obb obc obd obi obo obr obu obv oc- ocb occ ocd oci oco ocr ocu ocv odb odc odd odi odo odr odu odv oib oic oid oii oio oir oiu oiv oo- oob ooc ood ooi ooo oor oov or- orb orc ord ori oro orr oru orv ou- ouc oud oui ouo our ov- ovb ovc ovd ovi ovo ovv rbb rbc rbd rbi rbo rbr rbu rcb rcc rcd rci rco rcr rcu rcv rdb rdc rdd rdi rdo rdr rdu rdv rib ric rid rii rio rir riv rob roc rod roi roo ror rou rov rrb rrc rrd rri rrr rru rub ruc rud rui ruo rur ruu ruv rvb rvc rvd rvi rvo rvr rvu rvv ubb ubc ubi ubo ubr ubu ubv ucb ucc ucd uci uco ucr ucu ucv udb udc udd udi udo udr udu udv uib uic uid uii uio uir uiu uob uoc uod uoo uor ur- urb urc urd uri uro urr uru uuc uur uuu uvb uvc uvo uvu uvv vbc vbd vbi vbo vbr vbv vcc vcd vci vco vcr vcu vdb vdc vdd vdi vdo vdr vdu vdv vi- vib vic vid vii vio vir viu viv vob voc vod voi voo vor vou vov vrb vrc vrd vri vrr vru vur vuv vvb vvc vvi vvo vvr vvv

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