bbbb bbbs bblb bbls bggs bgst bibb bibi bibl bibo bibs bigb bigg bigo bigs bigt biis bili bill bilo bils bilt bio- biog bioi biol bios biot bis- bisl biso biss bist bito bits bitt blbt blio blis blit blls blob blog bloo blot blss blst blts bobb bobi bobo bobs bogg bogi bogo bogs bogt boi- boii boil bois boit bolg boli boll bolo bols bolt boob boog bool boos boot bosi boso boss bost botb boti boto bots bott bsgs bsos bsts btob btss bttb gbbo gbbs ggbt gggg ggss gibb gibs gigg gigi gigo gigs giis gilg gili gill gilo gils gilt giog gioi giss gist gito gits gli- glib glis glit glob glog glos glot gobi gobl gobo gobs gogi gogo gogs gois goit goli goll golo gols golt goog gooi gool goos goot gosi goso goss gost goti gotl goto gots gott gsis gsli gsos gtos i-go ibis ibos ibot ibss ibtb ibtl ibts igbo iggs igil igis igli iglo igoo igot igso iiii iiio iiis iiit iioi iioo iios iisi iist iitt ilio ilis ilit ill- illi illo ills illt ilog iloo ilos ilot ilts iobi iogt ioii ioio ioit iolo iooi iooo ioos ioso ioto isbl isbt isil isis isit isls iso- isol isos issi isso isss isti isto ists itbs itgo itgs itil itis itll itoi itol itoo itos itsi itso itto lbgt lbos lgbt lgts libo libs ligg ligi ligo liig liii liis lilb lilg lili lill lilo lils lilt lio- lios lisi liso liss list litb liti litl lito lits litt llbs llll lloo lob- lobb lobi lobo lobs log- logb logi logo logs lois loit loli loll lolo lols loob lool loos loot losi loso loss lost loti lotl loto lots lott lsso lsts ltbl ltgs ltib ltsi obbo obis obit obls oboi obol obos obot obss obst obts ogb oggi ogli ogog ogoi ogsi oigo oiii oils oios oist oiti olbo olib olig olio olis olit olli ollo olog olos olot olsi olst oobi oolo oooo ooos oosi oost ootb oots osgi osii osis osli oslo osoi osoo osos ossb ossi osso osti osts otbs otis otit oto- otog otoo otos otsg otso otti otto otts s-ib s-ii s-os sbbs sbig sbot sbsi sbst sggg sggs sgio sgls sgss sgts sibi sibo sibs sigg sigi sigo sigs siit sil- sili sill silo sils silt siol sios siot sisi siss sist sit- siti sito sits sitt sl-i slib slig slit slob slog sloo slos slot slst slts sobo sobs sobt sogi sogo sogs soil sois soit soli soll solo sols solt soog sool soos soot sosi soso soss sost sotl soto sots ssgs ssgt ssis ssit sslt ssot sssb sssi ssss sstb sstl ssts stbs stib stig stil stio stis stit stlg stlo stlt stob stog stol stoo stos stot stsi stss tbbs tbgs tbil tbit tbst tgts tibi tibs tigi tigs tiit till tilo tils tilt tios tisb tisi tiso tiss tist titi tito tits titt tlli tlos tobi tobo tobs tobt togo togs togt toil tois toit tol- toli toll tolo tolt tool toos toot tosb tosi toso toss tost toti toto tots tott tsgt tsig tsis tsob tsoi tsol tsos tssg tssi tsst tsts ttbb ttss tttt