bbbb bbbs bblb bbls bbpr bffl bffs bfpp bfsr bkpr bksp blkb blls blsp blss bpfl brkb brlp brls brrr brrs brsb brsr bsff bsfs bspp bspr f--k fbrs ffff ffps ffrr ffss fkbp fprf frps frsb fspf fssf fssp kbbb kbbf kbbk kbbl kbbr kbbs kbfb kbff kbfk kbfl kbfp kbfr kbfs kbkb kbkf kbkk kbkl kbkr kblb kblf kbll kblp kblr kbls kbpk kbpr kbps kbrb kbrf kbrk kbrl kbsb kbsk kbsr kbss kfbk kffb kfff kffk kfkb kflb kflf kfll kflp kfls kfpr kfrp kfrr kfrs kfsk kfsp kfsr kkbb kkbl kkbr kkbs kkfr kkfs kkkk kklb kklf kkll kkls kkpk kkpl kkps kkrb kkrf kkrk kkrl kkrr kkrs kksf kksp kksr kkss klbb klbf klbl klbs klff klkk klkl klkr klks kllb kllk kllp klls klpf klpr klrf klrk klrr klrs klsf klsr kpbb kpbl kpbr kpbs kpfk kpfr kpkk kpkl kpkr kplk kplr kppk kppl kppp kppr kprb kprf kprk kprl kprp kprr kprs kpsf kpsp krbb krbk krbl krbr krff krfp krfs krkk krkr krks krlf krpl krpr krps krrb krrf krrk krrl krrr krrs krsf krsk krsl krsr krss ksbl ksbp ksbr ksbs ksfb ksfr kskb kskf kskk kskr ksks kslb kslk ksll kslr kspb kspk kspl kspr ksps ksrb ksrf ksrp ksrr ksrs kssl kssr ksss lblr lbrs lkfs lkrs llbs llks llll llps lpfp lppl lprp lpss lrps lrrr ls-r lspl lspr lssp lssr pbpk pbrf pbrs pbsp pfff pffr pfkl pfkp pfps pklr plbr plff plkk plpp plss pppp ppps pprf ppsf ppss prbs prfs prlr prls prps prrs prsl prss psbr psfk psfs pspp pspr psps psrk psrp rbbb rbbr rbbs rbsl rbsp rbss rffl rkkf rkss rlls rpls rpps rrrr rrsp rslp rspb rspk rsps rssl sbbs sbrk sbsp sfls sfss skss slbp sllp slpp slps slrp slrs spfs spkl spkr splp splr spls sppf spps sprs spsp spss srps srsp ssbr ssfl ssfp sslp sspf sspl ssps ssrl ssrs sssb sssf ssss