-ol bbb bbi bbk bbl bbo bbs bbt bi- bib bii bik bil bio bis bit bkb bkk bkl bko bks bkt blb bli blk bll blo bls blt bob boi bok bol boo bos bot bsb bsi bsk bsl bso bss bst btb bti btk btl bto bts btt ibb ibi ibk ibl ibo ibs ibt iib iii iil iio iis iit ikb iki ikk ikl iko iks ikt il- ilb ili ilk ill ilo ils ilt io- iob ioi iol ioo ios iot is- isb isi isk isl iso iss ist itb iti itk itl ito its itt k-t kbb kbi kbk kbl kbo kbs kib kii kik kil kio kis kit kkb kki kkk kkl kks kkt kl- klb kli klo kls klt kob koi kok kol koo kos kot ksb ksi ksk ksl kso kss kst ktb ktk ktl kto kts ktt lbb lbi lbk lbl lbo lbs lbt lib lii lik lil lio lis lit lkb lkl lks lkt llb lli llk lll llo lls llt lob loi lok lol loo los lot lsb lsi lsk lsl lso lss lst ltb lti ltk ltl lto lts ltt o-i ob- obb obi obk obl obo obs obt oib oii oik oil oio ois oit okb oki okk okl oko oks olb oli olk oll olo ols olt oo- oob ooi ook ool ooo oos oot os- osb osi osk osl oso oss ost ot- otb oti otk otl oto ots ott sbb sbi sbk sbl sbo sbs sbt sib sii sik sil sio sis sit sk- skb ski skk skl sko sks skt slb sli slk sll slo sls slt sob soi sok sol soo sos sot ss- ssb ssi ssk ssl sso sss sst stb sti stk stl sto sts stt tbb tbi tbk tbl tbo tbs tbt tib tii tik til tio tis tit tkb tkk tkl tko tks tkt tli tlk tll tlo tls tlt to- tob toi tok tol too tos tot tsb tsi tsk tsl tso tss tst ttb tti ttk ttl tto tts ttt

bbbb bbbs bblb bbls bibb bibi bibl bibo bibs biis biko bili bilk bill bilo bils bilt bio- bioi biol bios biot bis- bisk bisl biso biss bist bito bits bitt blbt blik blio blis blit blkb blls blob blok bloo blot blss blst blts bobb bobi bobo bobs boi- boii boil bois boit boki boko boks boli bolk boll bolo bols bolt boob book bool boos boot bosi bosk boso boss bost botb boti boto bots bott bskt bsos bsts btob btss bttb ibis ibos ibot ibss ibtb ibtl ibts iiii iiio iiis iiit iioi iioo iios iisi iist iitt ikki ikko ikoo ilio ilis ilit ilki ilks ill- illi illo ills illt ilok iloo ilos ilot ilts iobi ioii ioio ioit ioko iolo iooi iooo ioos ioso ioto isbl isbt isil isis isit isko isls iso- isok isol isos issi isso isss isti isto ists itbs itil itis itko itll itoi itol itoo itos itsi itso itto k-lo k-os kbbb kbbi kbbk kbbl kbbo kbbs kbbt kbib kbik kbil kbio kbis kbit kbkb kbkk kbkl kbko kblb kbll kblo kbls kblt kbob kboi kbok kboo kbos kbot kbsb kbsi kbsk kbso kbss kbst kbtb kbtk kbtl kbto kbts kbtt kibb kibi kibl kibo kibs kibt kiii kiik kiis kiit kiki kikk kiko kikt kilb kili kilk kill kilo kilt kioi kiok kiol kioo kiot kisi kisk kisl kiso kiss kist kiti kitl kito kits kitt kkbb kkbi kkbl kkbo kkbs kkbt kkik kkit kkkk kklb kkli kkll kklo kkls kkob kkol kkoo kkot kksi kkss kkst kktk kktl kkts klbb klbl klbs klbt klib klik klil klio klis klit klkk klkl klko klks kllb kllk klls klob klok klol kloo klos klsi klst klti kltk klto kltt kobb kobi kobk kobo kobs koii koil koit kokb koki kokk koko koks kolb koli kolk koll kolo kols kolt koob kooi kook kool kooo koos koot kos- kosb kosi koso koss kost kotb koti kotk koto kots kott ksbi ksbl ksbs ksib ksii ksik ksil ksis ksit kskb kskk ksko ksks kslb ksli kslk ksll kslo kslt ksob ksoi ksok ksol ksoo ksos kssi kssl ksso ksss ksst kstb ksti kstk kstl ksto ksts kstt ktbb ktbl ktbt ktib ktik ktil ktis ktkb ktkk ktko ktks ktkt ktlb ktli ktlk ktlo ktlt ktob ktok ktoo ktot ktsl ktso ktst ktti kttk ktto ktts kttt lbos libo libs liii liis liko lilb lili lill lilo lils lilt lio- lios lisi lisk liso liss list litb liti litl lito lits litt llbs llks llll lloo lob- lobb lobi lobo lobs loik lois loit loki lokk loko loli loll lolo lols loob look lool loos loot losi loso loss lost loti lotl loto lots lott lsso lsts ltbl ltib ltsi obbo obis obit obkb obls oboi obok obol obos obot obss obst obts oiii oiko oiks oils oios oist oiti okko oklo okok okol okot oksi okso okto olbo olib olio olis olit olki olli ollo olos olot olsi olst oobi oolo oooo ooos oosi oost ootb oots osii osik osis oski osli oslo osoi osoo osos ossb ossi osso osti osts otbs otis otit oto- otok otoo otos otso otti otto otts s-ib s-ii s-os sbbs sbot sbsi sbst sbtk sibi sibo sibs siik siit siki siko siks sil- sili silk sill silo sils silt siol sios siot sisi sisk siss sist sit- siti sito sits sitt skik skil skio skis skit skol skot skss sl-i slib slik slit slob sloo slos slot slst slts sobo sobs sobt soik soil sois soit soki sokk soko soli solk soll solo sols solt sook sool soos soot sosi soso soss sost sotk sotl soto sots ssis ssit sslt ssot sssb sssi ssss sstb sstl ssts stbs stib stik stil stio stis stit stks stlo stlt stob stok stol stoo stos stot stsi stss tbbs tbil tbit tbst tibi tibs tiit tiki tiko till tilo tils tilt tios tisb tisi tiso