-er bbb bbe bbk bbn bbr bbt bbw be- beb bee bek ben ber bet bew bkb bke bkk bkn bkr bkt bkw bnb bne bnk bnn bnr bnt bnw brb bre brk brn brr brt brw btb bte btk btn btr btt btw bwb bwk bwr ebb ebe ebk ebn ebr ebt ebw eeb eee eek een eer eet eew ekb eke ekr ekt en- enb ene enk enn enr ent enw erb ere erk ern err ert erw etb ete etk etn etr ett etw ewb ewe ewk ewr ewt eww k-t kbb kbe kbk kbn kbr kbw ke- keb kee kek ken ker ket kew kkb kke kkk kkn kkr kkt kn- kne knk knn knr knt krk krn krr krt krw ktb kte ktk ktn ktr ktt ktw kw- kwk kwt kww nbb nbe nbk nbn nbr nbt nbw ne- neb nee nek nen ner net new nke nkk nkn nkr nkt nnb nne nnk nnn nnt nnw nrb nre nrk nrn nrr nrt nrw ntb nte ntk ntn ntr ntt nwb nwe nwn nwr nwt rbb rbe rbk rbn rbr rbt rbw re- reb ree rek ren rer ret rew rkb rke rkk rkt rnb rnn rnr rnt rnw rrb rrk rrn rrr rrt rtb rte rtk rtn rtr rtt rtw rwb rwe rwr tbb tbe tbk tbn tbr tbt te- teb tee tek ten ter tet tew tkb tke tkk tkr tkt tkw tnb tne tnk tnn tnr tnt tnw trb tre trk trn trr trt trw ttb tte ttk ttn ttr ttt ttw twb twe twn twr twt tww wbb wbe wbn wbr wbt wbw web wee wek wen wer wet wew wkb wke wkr wkt wkw wn- wne wnn wnt wnw wr- wre wrk wrn wrr wrt wrw wtb wtn wtr wtt wtw wwe wwn wwt www