-er -ic b-u bbb bbc bbd bbe bbi bbn bbo bbr bbt bbu bcb bcc bcd bce bci bcn bco bcr bct bcu bcv bdb bdc bdd bde bdi bdo bdr bdt bdu bdv be- beb bec bed bee bei ben beo ber bet beu bev bi- bib bic bid bie bii bin bio bir bit biu biv bnb bnc bnd bne bni bnn bno bnr bnt bnu bnv bob boc bod boe boi bon boo bor bot bou bov brb brd bre bri brn bro brr brt bru brv btb btc btd bte bti btn bto btr btt btu btv bub buc bud bue bui bun buo bur but buu bvb bvc bvd bve bvi bvn bvo bvr bvt bvu bvv c-- cbb cbc cbd cbe cbi cbn cbo cbr cbt cbu cbv ccb ccc ccd cce cci ccn cco ccr cct ccu ccv cdb cdc cdd cde cdi cdn cdo cdr cdt cdu cdv ce- ceb cec ced cee cei cen ceo cer cet ceu cev ci- cib cic cid cie cii cin cio cir cit ciu civ cn- cnb cnc cnd cne cni cnn cno cnr cnt cnu cnv co- cob coc cod coe coi con coo cor cot cou cov crb crc crd cre cri crn cro crr crt cru crv ctb ctc ctd cte cti ctn cto ctr ctt ctu ctv cub cuc cud cue cui cun cuo cur cut cuu cuv cvb cvc cvd cve cvi cvn cvo cvr cvt cvu cvv dbb dbc dbd dbe dbi dbn dbo dbr dbt dbu dbv dcb dcc dcd dce dci dcn dco dcr dct dcu dcv ddb ddc ddd dde ddi ddn ddo ddr ddt ddu de- deb dec ded dee dei den deo der det deu dev di- dib dic did die dii din dio dir dit diu div dnb dnc dnd dne dni dnn dno dnr dnt dob doc dod doe doi don doo dor dot dou dov drb drc drd dre dri drn dro drr drt dru drv dtb dtc dtd dte dti dtn dto dtr dtt dtu dtv dub duc dud due dui dun duo dur dut duv dvb dvc dvd dve dvi dvn dvr dvt dvu ebb ebc ebd ebe ebi ebn ebo ebr ebt ebu ebv ec- ecb ecc ecd ece eci ecn eco ecr ect ecu ecv ed- edb edc edd ede edi edn edo edr edt edu eeb eec eed eee een eeo eer eet eev eib eic eid eie eii ein eio eir eit eiu eiv en- enb enc end ene eni enn eno enr ent enu env eo- eob eoc eod eoe eoi eon eoo eor eot eou erb erc erd ere eri ern ero err ert eru erv etb etc etd ete eti etn eto etr ett etu etv eu- eub euc eud eue eui eun eur eut euv evb evc evd eve evi evn evo evr evt evv i-d i-v ibb ibc ibd ibe ibi ibn ibo ibr ibt ibu ibv icb icc icd ice ici icn ico icr ict icu icv idb idc idd ide idi idn ido idr idt idu idv ie- iec ied iee iei ien ier iet iev iib iic iid iie iii iin iio iir iit iiu in- inb inc ind ine ini inn ino inr int inu inv io- iob ioc iod ioe ioi ion ioo ior iot iou iov ir- irb irc ird ire iri irn iro irr irt iru irv itb itc itd ite iti itn ito itt itu itv iu- iub iuc iud iue iui iur iut ivb ivc ivd ive ivi ivo ivr ivt ivu ivv n-i nbb nbc nbd nbe nbi nbn nbo nbr nbt nbu nbv ncb ncc ncd nce nci ncn nco ncr nct ncu ncv ndb ndc ndd nde ndi ndn ndo ndr ndt ndu ndv ne- neb nec ned nee nei nen neo ner net neu nev nib nic nid nie nii nin nio nir nit niu niv nnb nnc nne nni nnn nno nnt nnu nnv no- nob noc nod noe noi non noo nor not nou nov nrb nrc nrd nre nri nrn nro nrr nrt nru nrv ntb ntc ntd nte nti ntn nto ntr ntt ntu ntv nub nuc nud nue nui nun nuo nur nut nuu nuv nvb nvc nvd nve nvi nvn nvt nvu nvv o-i ob- obb obc obd obe obi obn obo obr obt obu obv oc- ocb occ ocd oci ocn oco ocr oct ocu ocv odb odc odd ode odi odn odo odr odt odu odv oeb oec oed oee oei oen oeo oer oet oib oic oid oie oii oin oio oir oit oiu oiv on- onb onc ond one oni onn ono onr ont onu oo- oob ooc ood ooi oon ooo oor oot oov or- orb orc ord ore ori orn oro orr ort oru orv ot- otb otc otd ote oti otn oto otr ott otu otv ou- ouc oud oue oui oun ouo our out ov- ovb ovc ovd ove ovi ovo ovv rbb rbc rbd rbe rbi rbn rbo rbr rbt rbu rcb rcc rcd rce rci rcn rco rcr rct rcu rcv rdb rdc rdd rde rdi rdn rdo rdr rdt rdu rdv re- reb rec red ree rei ren reo rer ret reu rev rib ric rid rie rii rin rio rir rit riv rnb rnc rnd rni rnn rno rnr rnt rnu rnv rob roc rod roe roi ron roo ror rot rou rov rrb rrc rrd rri rrn rrr rrt rru rtb rtc rtd rte rti rtn rto rtr rtt rtu rtv rub ruc rud rue rui run ruo rur rut ruu ruv rvb rvc rvd rve rvi rvn rvo rvr rvt rvu rvv tbb tbc tbd tbe tbi tbn tbo tbr tbt tbu tbv tcb tcc tcd tce tci tcn tco tcr tct tcu tcv tdb tdc tdd tde tdi tdn tdo tdr tdt tdu tdv te- teb tec ted tee tei ten teo ter tet teu tev