-ol bbb bbg bbi bbk bbl bbo bbr bbt bgb bgg bgi bgk bgl bgo bgr bgt bi- bib big bii bik bil bio bir bit bkb bkg bkk bkl bko bkr bkt blb blg bli blk bll blo blr blt bob bog boi bok bol boo bor bot brb brg bri brk brl bro brr brt btb btg bti btk btl bto btr btt gbg gbi gbk gbl gbo gbr gbt ggb ggg ggi ggo ggr ggt gib gig gii gik gil gio gir git gkb gko gkt glb glg gli glk gll glo glr glt gob gog goi gok gol goo gor got grb grg gri grk grl gro grr grt gtb gtg gti gtk gtl gto gtr gtt ibb ibg ibi ibk ibl ibo ibr ibt igb igg igi igk igl igo igr igt iib iii iil iio iir iit ikb iki ikk ikl iko ikr ikt il- ilb ilg ili ilk ill ilo ilr ilt io- iob iog ioi iol ioo ior iot ir- irb irg iri irk irl iro irr irt itb itg iti itk itl ito itt k-t kbb kbi kbk kbl kbo kbr kgb kgi kgl kgo kib kig kii kik kil kio kir kit kkb kki kkk kkl kkr kkt kl- klb klg kli klo klr klt kob kog koi kok kol koo kor kot krg kri krk krl kro krr krt ktb ktg ktk ktl kto ktr ktt lbb lbg lbi lbk lbl lbo lbr lbt lgb lgg lgi lgk lgl lgo lgr lgt lib lig lii lik lil lio lir lit lkb lkg lkl lkr lkt llb llg lli llk lll llo llr llt lob log loi lok lol loo lor lot lrb lrg lri lrk lro lrr lrt ltb ltg lti ltk ltl lto ltr ltt o-i ob- obb obg obi obk obl obo obr obt ogg ogi ogl ogo ogt oib oii oik oil oio oir oit okb okg oki okk okl oko okr olb olg oli olk oll olo olt oo- oob oog ooi ook ool ooo oor oot or- orb org ori ork orl oro orr ort ot- otb otg oti otk otl oto otr ott rbb rbg rbi rbk rbl rbo rbr rbt rgb rgg rgi rgk rgo rgr rgt rib rig rii rik ril rio rir rit rkb rkg rkk rko rkt rlg rli rll rlo rlr rlt rob rog roi rok rol roo ror rot rrb rrg rri rrk rrl rrr rrt rtb rtg rti rtk rtl rto rtr rtt tbb tbg tbi tbk tbl tbo tbr tbt tgb tgg tgi tgk tgl tgo tgr tgt tib tig tii tik til tio tir tit tkb tkg tkk tkl tko tkr tkt tlg tli tlk tll tlo tlr tlt to- tob tog toi tok tol too tor tot trb trg tri trk trl tro trr trt ttb ttg tti ttk ttl tto ttr ttt

bbbb bblb bbrg bibb bibi bibl bibo bigb bigg bigo bigt biko bili bilk bill bilo bilt bio- biog bioi biol biot birb birg biri birk birl biro birr birt bito bitt blbt blik blio blir blit blkb blob blog blok bloo blot blrg bobb bobi bobo bogg bogi bogo bogt boi- boii boil boit boki boko bolg boli bolk boll bolo bolt boob boog book bool boor boot bor- borg bori bork boro borr bort botb boti boto bott brig brik bril brio brit brkb brob brog brok brol broo bror brot brrr btob btor btrt bttb gbbo ggbt gggg gibb gigg gigi gigo gilg gili gilk gill gilo gilt giog gioi girg giri girk girl giro girr girt gito gli- glib glit glob glog glor glot glrb glro gobi gobl gobo gogi gogo goit goli golk goll golo golt goog gooi gook gool goor goot gorb gorg gori goro gorr gort goti gotl goto gott grbr grib grig gril grit grob grog groi grok grol groo gror grot grrl grrr gtbr i-go ibot ibri ibro ibtb ibtl igbo igil igli iglo igoo igor igot igri iiii iiio iiit iioi iioo iitr iitt ikig ikki ikko ikoo ikri ilio ilir ilit ilki ill- illi illo illt ilog ilok iloo ilot iobi iogt ioii ioio ioit ioko iolo iooi iooo iorg iori ioto iri- irig iril irio irki irlb irob irri irti itgo itil itko itll itoi itol itoo itor itri itto k-lo kbbb kbbg kbbi kbbk kbbl kbbo kbbr kbbt kbgb kbgg kbgl kbgo kbgr kbgt kbib kbig kbik kbil kbio kbit kbkb kbkg kbkk kbkl kbko kbkr kblb kblg kbll kblo kblr kblt kbob kboi kbok kboo kbot kbrb kbrg kbri kbrk kbrl kbro kbrt kbtb kbtk kbtl kbto kbtr kbtt kgbb kgbr kgbt kggg kggi kggl kggo kggr kgil kgio kgir kgkl kglb kgli kglk kglo kglr kglt kgol kgor kgot kgrb kgrg kgri kgrk kgro kgrr kgrt kgtk kgtl kgto kibb kibg kibi kibl kibo kibr kibt kigl kigo kiii kiik kiit kiki kikk kiko kikr kikt kilb kili kilk kill kilo kilr kilt kioi kiok kiol kioo kiot kirb kiri kirk kiro kirr kirt kitg kiti kitl kito kitr kitt kkbb kkbg kkbi kkbl kkbo kkbr kkbt kkgb kkgl kkgo kkgr kkik kkit kkkk kklb kkli kkll kklo kkob kkol kkoo kkor kkot kkrb kkrk kkrl kkro kkrr kkrt kktk kktl klbb klbl klbt klgb klgl klgo klgr klgt klib klik klil klio klir klit klkk klkl klko klkr kllb kllk klob klog klok klol kloo klor klrg klrk klrr kltg klti kltk klto kltr kltt kobb kobi kobk kobo kobr kogb kogg kogi kogl kogo kogt koii koil koir koit kokb koki kokk koko kokr kolb kolg koli kolk koll kolo kolr kolt koob koog kooi kook kool kooo koor koot korb korg kori kork korl koro korr kort kotb koti kotk koto kotr kott krbb krbg krbi krbk krbl krbr krbt krgi krgt krib krik kril krio krit krki krkk krko krkr krlt krob krog kroi krok krol kroo kror krrb krrg krri krrk krrl krro krrr krrt krti krtk krto krtr ktbb