-ing bbbb bbbs bbin bbng bggs bgon bgst bibb bibi bibo bibs bigb bigg bign bigo bigs bigt biin biis bin- bing bini binn bino bins bint bio- biog bioi bion bios biot bipp bips bis- biso bisp biss bist bito bits bitt bnib bnin bnpp bnss bobb bobi bobo bobs bogg bogi bogo bogs bogt boi- boii boin bois boit bong boni bonn bono bons bont boob boog boon boop boos boot bopp bops bosi bosn boso boss bost botb boti botn boto bots bott bpot bpti bsgs bsin bsns bson bsos bspp bsts btbp btob btps btss bttb gbbo gbbs gbon ggbt gggg ggpo ggss gibb gibs gigg gigi gign gigo gigs giis ging gini ginn gino gins giog gioi gion giop gipi gipp gips giss gist gito gits gnib gnin gnip gnit gnoo gnps gnti gntp gobi gobo gobs gogi gogo gogs goin goip gois goit gon- gong goni gonn gono gons goog gooi goon goop goos goot gopi gopo gops gosi goso goss gost goti goto gots gott gpgp gpip gpos gpot gpsg gpsi gpso gpss gsis gson gsos gspt gtip gtop gtos i-go i-no ibis ibns ibon ibos ibot ibsn ibss ibtb ibts igbo iggs igis igni igno igns igon igoo igot igso igsp iiii iiio iiis iiit iino iioi iioo iiop iios iisi iisp iist iitt inbo ingo ings inig inis init inni inno inns ino- inoi inon inos inot inp- inpi inpp inpt inso insp inss inst intg inti intn into intp ints iobi iogt ioii ioio ioit ioni ionn iono ions iooi iooo ioos iops ioso ioto ipin ipop ipos ippo ipsi ipso ipsp ipss ipto ipts isbn isbt isin isis isit isno isnt iso- ison isop isos isps issi isso issp isss isti isto istp ists itbs itgo itgs itin itis itno itoi iton itoo itos itsi itso itsp itto n-ii nbbo nbpp nbps nbsp nbti ngio ngns ngon ngos ngsn ngtn ngts nibi nibo nibs nigg nigo nigs nigt niip niit ning nini nino nins niog nion nioo nios nips nipt nisi niso nisp niss nist nitb niti nito nits nngn nnit nnnn nnos nnot nnpi nnss nntn nobi nobo nobs nogg nogo nogs nogt noib noin noio nois noit non- nong noni nonn nono nons nont noo- noob noon nooo noop noos noot nops nos- noss nost not- noti noto nots nott npin npss nptn nsbo nsin nsis nsos nspi nsps nssb nsso nssp nsss nstp nsts ntis ntop ntsb ntss ntto obbo obin obis obit oboi obon obos obot obsn obss obst obts ogb oggi ogin ogni ogog ogoi ogon ogsi oigo oiii oins oint oion oios oist oiti ongi ongo onis onit onni onno onon onos onpg onpt onso onst ont- onti onto oobi oons oont oooo ooos oops oosi oost ootb ootp oots opii opin opio opis opit opng opo- opon opos oppi oppo opps opsi opti optn opto opts osbp osgi osii osin osip osis osno osoi osoo osos ossb ossi osso osti osts otbs otin otis otit oto- otog oton otoo otos otpp otsg otso otti otto otts pbsp pgib pgss pibb pibi pigb pigg pign pigo pigp pigs pigt piip ping pini pinn pino pinp pins pint piob pion piot pipi pipo pipp pips pisg pisi piso piss pist piti pito pits pitt pnin pnon pnot pnpo pnpp pobo pobs pogg pogo pogs poin poio pois pong poni pono ponp pons pont poon poop poos poot pop- popi popo popp pops popt posb posi posn poso poss post poti poto pots pott ppgi ppib ppig ppos pppn pppo pppp ppps ppss pptn ppts pptt psbt psgi psip psis psni psoi pson psos pspi pspp psps psso psst psts ptgs ptop s-ib s-ii s-os sbbs sbig sbot sbsi sbsp sbst sbtn sggg sggs sgio sgps sgss sgts sibi sibo sibs sigg sigi sign sigo sigs siit sing sini sinn sino sinp sins sint sion siop sios siot sipi sipo sipp sips sipt sisi siss sist sit- siti sitn sito sits sitt snib snig snip snit snns snob snog snoo snop snos snot snpg snpo snpp sobo sobp sobs sobt sogi sogn sogo sogs soin sois soit son- song soni sono sons sont soog soon soop soos soot sopi sopo sopp sops sosi soso soss sost sotn soto sotp sots spgb spgt spib spig spin spio spip spis spit spns spon spoo spop spos spot spps spso spsp spss spst sptb spto spts ssbn ssgs ssgt ssin ssis ssit ssns ssop ssot sspo ssps sspt sssb sssi ssss sstb sstp ssts stbs stib stig stio stip stis stit stng stnn stns stob stog ston stoo stop stos stot stpp stps stsi stss tbbs tbgs tbit tbsp tbst tbtp tgts tibi tibs tigi tigs tiit ting tini tinn tino tins tint tion tiop tios tip- tipi tipo tipp tips tipt tisb tisi tiso tiss tist titi tito titp tits titt tngs tnsp tnts tobi tobo tobs tobt togo togs togt tois toit tonb tong toni tonn tono tons toon toos toot top- topi topo topp tops topt tosb tosi toso toss tost toti toto tots tott tpbg tpon tppp tptp tsgt tsig tsin tsis tsob tsoi tsop tsos tspn tspo tsps tspt tssg tssi tsst tsts ttbb tton ttop ttss tttt