bbbb bbci bbeb bbet bbrc bbrg bcbc bcbg bccc bcci bcec bcer bcet bcie bcit bctc bebb bebe bebi beby beci beeb beeg beer beet beey begg begi beic beir beit berc bere berg beri berr bert bery betc bete beti bett beye beyg beyi beyt bgye bibb bibe bibi bicc bice bicg bici bieb bier biet bigb bigc bige bigg bigt birb bire birg biri birr birt biry bitc bite bitt brcb brce breb brec bree breg brei brer bret brey bric brie brig brit brrr brtc bry- brye btcc btec btie btrc btrt btry bttb byce byer byge bygg byit byre byrt byte cbbc cbcc cbce cbcr cbct cbec cbee cber cbet cbgb cbir cbit cbre cbrt cbry cbtc cbyt ccbc cccb cccc ccci ccee ccgc ccgt ccic ccii ccir ccrc ccre ccrg ccri ccrt cctb cctc cctt cec- cece ceci cect ceeb ceec cege cer- cerc cere ceri cert cery cet- cete ceti cgcc cgcg cger cibc cibe cibi cicc cici cicr cict ciee cier cigi ciii ciit cirb circ cire ciri cirr cirt citb cite citg citi citt city crbc crcc crce crcr cre- creb crec cree creg crei cret crib cric crie crig crit crrt crtc cry- cryb ctbi ctec ctge ctic ctrc cybb cybc cybi cyc- cycb cycc cyeg cygb cyre cyrt cyt- cytb cyte cyy- cyyc ebbc ebbr ebby ebcc eber ebic ebit ecbc ecbe eccb eccc ecce ecci ecct ecib ecig ecit ecrc ecri ecrr ect- ectc eeby eeee eerc eerg eery eetc eete egbe egcc egcg egcr egec egee eger eggb egge eggi eggy egir egre egri egry egte egyr eiec eiei eier eige eigg eire eiry eitb eitc eiti eitr erbb erbe ercc erce ereb erec erei erer eret erg- ergg ergi eric erie erit errc erre eryc erye etbc etbr etcc etec etee eter etic etre ette etti etty eyeb eyec eyer eyet eyey eyir eyre eyry eyte eyyr gc-c gcbc gccc gcet gcic gcii gcrg gctc gebe gebi geby gece geer geet gege gegg geic geie geig geir geit gerb gere geri gert gery getb gete getg geti gett geyi geyt ggbt gggg gibb gibe giby gicr gier giet gige gigg gigi gire girg giri girr girt giry gite grbr grcc grce greb grec gree greg gret grey grib gric grie grig grit grrr grtc gry- grye gryt gtbr gtcr gybe gyer gyge gyr- gyre gyri gyte gytt i-be i-by ibec ibeg ibet ibge ibie ibrc ibri ibtb ibtc ibyi icbc iccb iccc icci iccr icct icec icee icer icet icey icgc icrc icre icrr icrt icry iecc ieet ieie iere ieri iett igbc igcc iger iget iggy igri iiie iiii iiit iirc iitr iitt irbe irby ircc ircg iree irer iri- iric irie irig iriy irrc irre irri irte irti itbe itby itec iter itet itgc itic itie itri itry itty iyer iyet iyre rbbb rbbr rcbc rccb rccc rcet rcgc rcic rcrg rctc rctg rcti rcyc rebb rebe recc rece reci recr rect recy reeb reet rege regi regr regt reii reir reit rere rerg reri rert rery rete reti retr rett rety reye rgbe rgbi rgit rgtr rib- ribe riby ricc rice rict rier riet rige rigg rigi rigy rire riri rite riti ritt rrrr rtcc rtce rtcg rtee rtei rybe ryeb ryet ryge rytt ryyt tbcb tbcc tbce tbit tbrb tcby tccc tctc tecr tect teec teer teet tegg tegi tegt teic teie teir ter- terc tere teri terr tery tete teti tetr tett teye teyr tgcc tgtc tibi ticc tice tie- tiee tiei tier tiet tige tigi tigr tigy tiit tirb tire tiri tirr tiry titc tite titi titt tiye tiyi trcc tre- trec tree treg trei tret trey trge tri- trib tric trie trig trit trtc trte trtr try- tryb trye tryg ttbb tter tttt tybi tyce tyee tyer tyet tyir tyr- tyre tyrr tyte tyti tytt tyty yber ybet ybry yccc ycee ycie yctc yeer yeet yegg yegi yeie yeii yeir yeit yerb yere yeri yerr yert yery yete yeti yett yeye yeyi yeyr yiet yirb yire yirr yite yiti ytre yyyy