-er bbb bbd bbe bbi bbk bbn bbr bdb bdd bde bdi bdk bdr bdv be- beb bed bee bei bek ben ber bev bi- bib bid bie bii bik bin bir biv bkb bke bkk bkn bkr bkv bnb bnd bne bni bnk bnn bnr bnv brb brd bre bri brk brn brr brv bvb bvd bve bvi bvk bvn bvr bvv dbb dbd dbe dbi dbk dbn dbr dbv ddb ddd dde ddi ddk ddn ddr de- deb ded dee dei dek den der dev di- dib did die dii dik din dir div dkb dke dki dkk dkr dnb dnd dne dni dnk dnn dnr drb drd dre dri drk drn drr drv dvb dvd dve dvi dvk dvn dvr ebb ebd ebe ebi ebk ebn ebr ebv ed- edb edd ede edi edk edn edr eeb eed eee eek een eer eev eib eid eie eii eik ein eir eiv ekb ekd eke eki ekr ekv en- enb end ene eni enk enn enr env erb erd ere eri erk ern err erv evb evd eve evi evn evr evv i-d i-v ibb ibd ibe ibi ibk ibn ibr ibv idb idd ide idi idk idn idr idv ie- ied iee iei iek ien ier iev iib iid iie iii iin iir ikb ike iki ikk ikr ikv in- inb ind ine ini ink inn inr inv ir- irb ird ire iri irk irn irr irv ivb ivd ive ivi ivr ivv kbb kbd kbe kbi kbk kbn kbr kdb kde kdk kdr ke- keb ked kee kei kek ken ker kev kib kid kie kii kik kin kir kiv kkb kke kki kkk kkn kkr kkv kn- knd kne kni knk knn knr krd kri krk krn krr krv kvb kvi kvk kvn kvr kvv n-i nbb nbd nbe nbi nbk nbn nbr nbv ndb ndd nde ndi ndk ndn ndr ndv ne- neb ned nee nei nek nen ner nev nib nid nie nii nik nin nir niv nke nki nkk nkn nkr nnb nne nni nnk nnn nnv nrb nrd nre nri nrk nrn nrr nrv nvb nvd nve nvi nvk nvn nvv rbb rbd rbe rbi rbk rbn rbr rdb rdd rde rdi rdn rdr rdv re- reb red ree rei rek ren rer rev rib rid rie rii rik rin rir riv rkb rke rkk rkv rnb rnd rni rnn rnr rnv rrb rrd rri rrk rrn rrr rvb rvd rve rvi rvn rvr rvv v-e vbd vbi vbk vbr vbv vdb vdd vde vdi vdk vdr vdv veb ved vee vei vek ven ver vi- vib vid vie vii vik vin vir viv vkb vn- vnd vni vnr vnv vrb vrd vre vri vrk vrn vrr vvb vvi vvr vvv