bbb bbe bbn bbo bbs bbw be- beb bee ben beo bes bew bnb bne bnn bno bns bnw bob boe bon boo bos bow bsb bse bsn bso bss bsw bwb bwo bws ebb ebe ebn ebo ebs ebw eeb eee een eeo ees eew en- enb ene enn eno ens enw eo- eob eoe eon eoo eos eow es- esb ese esn eso ess esw ewb ewe ewo ews eww nbb nbe nbn nbo nbs nbw ne- neb nee nen neo nes new nnb nne nnn nno nns nnw no- nob noe non noo nos now nsb nse nsn nso nss nsw nwb nwe nwn nwo nws ob- obb obe obn obo obs obw oeb oee oen oeo oes on- onb one onn ono ons oo- oob oon ooo oos oow os- osb ose osn oso oss osw owb owe own owo ows oww sbb sbe sbn sbo sbs sbw se- seb see sen seo ses sew snb sne snn sno sns snw sob soe son soo sos sow ss- ssb sse ssn sso sss ssw swb swe swn swo sws wbb wbe wbn wbo wbs wbw web wee wen weo wes wew wn- wne wnn wno wns wnw wob woe won woo wos wow wsb wse wsn wso wss wsw wwe wwn wwo www