bbb bbd bbe bbk bbw bdb bdd bde bdk bdv bdw be- beb bed bee bek bev bew bkb bke bkk bkv bkw bvb bvd bve bvk bvv bvw bwb bwd bwk bwv dbb dbd dbe dbk dbv ddb ddd dde ddk ddw de- deb ded dee dek dev dew dkb dke dkk dkw dvb dvd dve dvk dvw dwb dwe dwv dww ebb ebd ebe ebk ebv ebw ed- edb edd ede edk edw eeb eed eee eek eev eew ekb ekd eke ekv evb evd eve evv evw ewb ewd ewe ewk eww kbb kbd kbe kbk kbw kdb kde kdk ke- keb ked kee kek kev kew kkb kke kkk kkv kvb kvk kvv kw- kwd kwk kww v-e vbd vbk vbv vbw vdb vdd vde vdk vdv vdw veb ved vee vek vew vkb vvb vvv vwd wbb wbd wbe wbw wdb wdv web wed wee wek wew wkb wkd wke wkw wvw wwd wwe wwv www