bbbb bbbs bffs bfpo bfpp bksp bobb bobo bobs boff bofs boko boks boob boof book boop boos bopp bops bosk boso boss bsff bsfs bsos bspp f--k fbop ffff ffps ffss fkbp fobs fofo foof fook foos fopp fops fosb foso foss fsfo fspf fssf fssp k-os kbbb kbbf kbbk kbbo kbbs kbfb kbff kbfk kbfo kbfp kbfs kbkb kbkf kbkk kbko kbob kbok kboo kbos kbpk kbpo kbps kbsb kbsk kbso kbss kfbk kffb kfff kffk kfkb kfok kfoo kfsk kfsp kkbb kkbo kkbs kkfs kkkk kkob kkoo kkpk kkps kksf kksp kkss kobb kobk kobo kobs koff kofk kofo kofp kokb kokf kokk koko kokp koks koob kook kooo koop koos kopb kopf kopp kops kos- kosb kosf koso kosp koss kpbb kpbs kpfk kpkk kpob kpof kpok kpoo kpop kppk kppo kppp kpsf kpso kpsp ksbp ksbs ksfb ksfo kskb kskf kskk ksko ksks ksob ksof ksok ksoo ksop ksos kspb kspk kspo ksps ksso ksss obbo obkb obok obos obss off- offo offs okko okok okpo okso ooff oofs oooo ooos oops opo- opos oppo opps osbp osoo osos ossb osso pbpk pbsp pfff pfkp pfps pobo pobs poff poko poof pook poop poos pop- popo popp pops posb posk poso poss ppos pppo pppp ppps ppsf ppss psfk psfs psos pspp psps psso s-os sbbs sbsp sfos sfss skop skpo skss sobo sobp sobs sofo sokk soko soof sook soop soos sopo sopp sops soso soss spfs spok spoo spop spos sppf spps spso spsp spss ssfp ssop sspf sspo ssps sssb sssf ssss