bbbb bbbs bbfn bbin bblb bbls bffl bffs bfpo bfpp bfsi bibb bibi bibl bibo bibs biff bifi biin biis bili bill bilo bils bin- bini binn bino bins bio- bioi biol bion bios bipp bips bis- bisl biso bisp biss blin blio blip blis blls blni blno blob blon bloo blop blsp blss bnib bnin bnpp bnss bobb bobi bobo bobs boff bofs boi- boii boil boin bois boli boll boln bolo bols boni bonn bono bons boob boof bool boon boop boos bopp bops bosi bosn boso boss bpfl bsff bsfs bsin bsns bson bsos bspp fbis fbop ffff ffii ffps ffss fibp fibs fiff fifi fifo fiii fiil fili fill filn filo fils fini finn fino finp fins fion fios fipp fips fisi fiss flii flin flip flis flnb flob flon floo flop flos fnsp fobs fofo foil foin fois foli foll folo fols fono fons foof fool foon foos fopp fops fosb fosi foso foss fpin fsfi fsfo fsln fspf fssf fssp i-no ibfi ibis ibns ibon ibos ibsf ibsn ibss ifbb ifil ifis ifni ifno ifns ifpo ifps ifsb ifso ifsp iiii iiio iiis iino iioi iioo iiop iios iipf iisi iisp ilin ilio ilis ill- illi illo illp ills ilni ilno iloo ilos inbo infi infl info infp infs inis inni inno inns ino- inoi inol inon inos inp- inpi inpp inso insp inss iobi ioii ioio iolo ioni ionn iono ions ioof iooi iooo ioos iopl iops ioso ipil ipin iplo ipop ipos ippf ippo ipsi ipso ipsp ipss isbl isbn isfp isil isin isis isls isno iso- isof isol ison isop isos ispf isps issf issi isso issp isss lbos libo libs liff lifl lifo liii liin liis lilb lili lill lilo lils linn lino lins lio- lion lios lip- lipb lipi lipl lipo lipp lips lisi liso lisp liss llbs llll lloo llps lnbp lnfs lnso lob- lobb lobi lobo lobs loff lofi lofn loif loin lois loli loll lolo lols loni lono lons loob loof lool loon loop loos lopi lopp lops losi loso losp loss lpfp lpns lppl lpss lsof lson lspl lsso lssp n-ii nbbo nbfl nbpp nbps nbsp nfff nfib nfip nfon nfps nibi nibo nibs niff niip nili nill nilo nilp nils nini ninl nino nins nion nioo nios nips nisi nisl niso nisp niss nlls nlsp nnls nnnn nnos nnpi nnsl nnss nobi nobo nobs nofi noib noif noil noin noio nois nolf noli noll nolo nolp nols non- noni nonn nono nons noo- noob nool noon nooo noop noos nops nos- noss npbl npif npin nppl npsl npss nsbo nsfs nsin nsis nslp nsls nsof nsos nspi nsps nssb nssf nsso nssp nsss obbo obin obis obls oboi obol obon obos obsn obss off- offo offs ofno oiii oils oins oion oios olbo olfs olib olin olio olis olli ollo olof olon olos olsi onil onis onlf onni onno onon onos onso oobi ooff oofs oolo oons oooo ooos oops oosi opii opin opio opis opls opo- opon opos oppi oppo opps opsi osbp osii osin osip osis osli oslo osno osoi osoo osos ossb ossi osso pbil pbsp pfff pfis pfli pfps pibb pibi piff pifs piip pil- pili pill pilo pils pini pinn pino pinp pins piob pion pipi pipo pipp pips pisi piso piss plff plib plif plin plio plip plis plob plon ploo plop plos plpp plsi plss pnin pnln pnnl pnon pnpo pnpp pobo pobs poff pofi poil poin poio pois poli poll polo pols poni pono ponp pons poof pool poon poop poos pop- popi popo popp pops posb posi posn poso poss ppib ppif ppli pplo ppos pppn pppo pppp ppps ppsf ppss psfs psil psip psis psni psoi psol pson psos pspi pspp psps psso s-ib s-ii s-os sbbs sbsi sbsp sfio sfls sfnb sfos sfss sibi sibo sibs siff sifl sifo sil- silf sili sill silo sils sini sinn sino sinp sins siol sion siop sios sipi sipo sipp sips sisi siss sl-i slbp slib slip slln sllp slob slon sloo slop slos slpi slpp slps snib snip snlf snns snob snoo snop snos snpo snpp sobo sobp sobs sofi sofo soif soil soin sois solf soli soll soln solo solp sols son- soni sono sons soof sool soon soop soos sopi sopo sopp sops sosi soso soss spfs spib spin spio spip spis splo splp spls spns spon spoo spop spos sppf spps spso spsp spss ssbn ssfl ssfp ssin ssis sslp ssns ssop sspf sspl sspo ssps sssb sssf sssi ssss