bbb bbg bbi bbk bbo bbr bbs bbt bgb bgg bgi bgk bgo bgr bgs bgt bi- bib big bii bik bio bir bis bit bkb bkg bkk bko bkr bks bkt bob bog boi bok boo bor bos bot brb brg bri brk bro brr brs brt bsb bsg bsi bsk bso bsr bss bst btb btg bti btk bto btr bts btt gbg gbi gbk gbo gbr gbs gbt ggb ggg ggi ggo ggr ggs ggt gib gig gii gik gio gir gis git gkb gko gks gkt gob gog goi gok goo gor gos got grb grg gri grk gro grr grs grt gsb gsg gsi gsk gso gsr gss gst gtb gtg gti gtk gto gtr gts gtt ibb ibg ibi ibk ibo ibr ibs ibt igb igg igi igk igo igr igs igt iib iii iio iir iis iit ikb iki ikk iko ikr iks ikt io- iob iog ioi ioo ior ios iot ir- irb irg iri irk iro irr irs irt is- isb isg isi isk iso isr iss ist itb itg iti itk ito its itt k-t kbb kbi kbk kbo kbr kbs kgb kgi kgo kgs kib kig kii kik kio kir kis kit kkb kki kkk kkr kks kkt kob kog koi kok koo kor kos kot krg kri krk kro krr krs krt ksb ksg ksi ksk kso ksr kss kst ktb ktg ktk kto ktr kts ktt o-i ob- obb obg obi obk obo obr obs obt ogg ogi ogo ogs ogt oib oii oik oio oir ois oit okb okg oki okk oko okr oks oo- oob oog ooi ook ooo oor oos oot or- orb org ori ork oro orr ors ort os- osb osg osi osk oso osr oss ost ot- otb otg oti otk oto otr ots ott rbb rbg rbi rbk rbo rbr rbs rbt rgb rgg rgi rgk rgo rgr rgs rgt rib rig rii rik rio rir ris rit rkb rkg rkk rko rks rkt rob rog roi rok roo ror ros rot rrb rrg rri rrk rrr rrs rrt rsb rsg rsi rsk rso rsr rss rst rtb rtg rti rtk rto rtr rts rtt sbb sbg sbi sbk sbo sbr sbs sbt sgb sgg sgi sgk sgo sgr sgs sgt sib sig sii sik sio sir sis sit sk- skb skg ski skk sko skr sks skt sob sog soi sok soo sor sos sot sr- srb srg sri srk sro srr srs srt ss- ssb ssg ssi ssk sso ssr sss sst stb stg sti stk sto str sts stt tbb tbg tbi tbk tbo tbr tbs tbt tgb tgg tgi tgk tgo tgr tgs tgt tib tig tii tik tio tir tis tit tkb tkg tkk tko tkr tks tkt to- tob tog toi tok too tor tos tot trb trg tri trk tro trr trs trt tsb tsg tsi tsk tso tsr tss tst ttb ttg tti ttk tto ttr tts ttt

bbbb bbbs bbrg bggs bgst bibb bibi bibo bibs bigb bigg bigo bigs bigt biis biko bio- biog bioi bios biot birb birg biri birk biro birr birs birt bis- bisk biso biss bist bito bits bitt bobb bobi bobo bobs bogg bogi bogo bogs bogt boi- boii bois boit boki boko boks boob boog book boor boos boot bor- borg bori bork boro borr bors bort bosi bosk boso boss bost botb boti boto bots bott brig brik brio bris brit brkb brob brog brok broo bror bros brot brrr brrs brsb brsr brst bsgs bskt bsos bsts btob btor btrt btss bttb gbbo gbbs ggbt gggg ggss gibb gibs gigg gigi gigo gigs giis giog gioi girg giri girk giro girr girs girt giss gist gito gits gobi gobo gobs gogi gogo gogs gois goit goog gooi gook goor goos goot gorb gorg gori goro gorr gors gort gosi goso goss gost goti goto gots gott grbr grib grig gris grit grob grog groi grok groo gror gros grot grrr grrs grss gsis gskb gsos gstr gtbr gtos i-go ibis ibos ibot ibri ibro ibss ibtb ibts igbo iggs igis igoo igor igot igri igso iiii iiio iiis iiit iioi iioo iios iirs iisi iisr iist iitr iitt ikig ikki ikko ikoo ikri iobi iogt ioii ioio ioit ioko iooi iooo ioos iorg iori iors ioso ioto irgs iri- irig irio iris irki irks irob irri irrs irsg irti irts isbt isis isit isko iso- isok isor isos isrg isri issi isso issr isss isti isto istr ists itbs itgo itgs itis itko itoi itoo itor itos itri itrs itsi itso itto k-os kbbb kbbg kbbi kbbk kbbo kbbr kbbs kbbt kbgb kbgg kbgo kbgr kbgt kbib kbig kbik kbio kbis kbit kbkb kbkg kbkk kbko kbkr kbob kboi kbok kboo kbos kbot kbrb kbrg kbri kbrk kbro kbrt kbsb kbsg kbsi kbsk kbso kbsr kbss kbst kbtb kbtk kbto kbtr kbts kbtt kgbb kgbr kgbt kggg kggi kggo kggr kgio kgir kgks kgor kgos kgot kgrb kgrg kgri kgrk kgro kgrr kgrs kgrt kgso kgsr kgst kgtk kgto kgts kibb kibg kibi kibo kibr kibs kibt kigo kigs kiii kiik kiis kiit kiki kikk kiko kikr kikt kioi kiok kioo kiot kirb kiri kirk kiro kirr kirs kirt kisi kisk kiso kisr kiss kist kitg kiti kito kitr kits kitt kkbb kkbg kkbi kkbo kkbr kkbs kkbt kkgb kkgo kkgr kkik kkit kkkk kkob kkoo kkor kkot kkrb kkrk kkro kkrr kkrs kkrt kksi kksr kkss kkst kktk kkts kobb kobi kobk kobo kobr kobs kogb kogg kogi kogo kogt koii koir koit kokb koki kokk koko kokr koks koob koog kooi kook kooo koor koos koot korb korg kori kork koro korr kors kort kos- kosb kosg kosi koso kosr koss kost kotb koti kotk koto kotr kots kott krbb krbg krbi krbk krbr krbt krgi krgs krgt krib krik krio kris krit krki krkk krko krkr krks krob krog kroi krok kroo kror kros krrb krrg krri krrk krro