bbbb bbch bbci bbeb bbet bbrc bbrg bcbc bcbg bccc bcci bcec bcer bcet bche bcie bcit bctc bebb bebe bebi bech beci beeb beeg beer beet begg begi behr beic beir beit berc bere berg beri berr bert betc bete beth beti bett bght bhcc bher bhet bhie bhir bhit bhrt bibb bibe bibi bicc bice bicg bich bici bieb bier biet bigb bigc bige bigg bigt bihe bihi birb bire birg biri birr birt bitc bite bith bitt brcb brce breb brec bree breg brei brer bret bric brie brig brih brit brrr brtc btcc btec btie btrc btrt bttb cbbc cbcc cbce cbcr cbct cbec cbee cber cbet cbgb cbir cbit cbre cbrh cbrt cbtc ccbc cccb cccc ccci ccee ccgc ccgt cche cchr ccic ccii ccir ccrc ccre ccrg ccri ccrt cctb cctc cctt cec- cece ceci cect ceeb ceec cege cer- cerc cere ceri cert cet- cete ceti cgcc cgcg cger chce chch chci cheb chec chee cheh cher chet chgb chge chib chic chie chig chih chir chit chrb chrc chrr chrt chtr chtt cibc cibe cibi cicc cich cici cicr cict ciee cier cigi cihr ciht ciii ciit cirb circ cire cirh ciri cirr cirt citb cite citg cith citi citt crbc crcc crce crcr cre- creb crec cree creg creh crei cret crib cric crie crig crit crrt crtc ctbi ctec ctge ctic ctrc ebbc ebbr ebcc eber ebic ebit ecbc ecbe eccb eccc ecce ecci ecct eche echt ecib ecig ecit ecrc ecri ecrr ect- ectc ecth eeee eerc eerg eetc eete eeth egbe egcc egcg egcr egec egee eger eggb egge eggh eggi eghe eghh egir egre egri egte ehcc eheh eher ehre ehte eich eiec eiei eier eige eigg eigh eire eitb eitc eith eiti eitr erbb erbe ercc erce erch ereb erec erei erer eret erg- ergg ergh ergi erhc eric erie erih erit errc erre erth etbc etbr etcc etch etec etee eter eth- ethe etic etre ette etti gc-c gcbc gccc gcet gcic gcii gcrg gctc gebe gebi gece geer geet gege gegg geht geic geie geig geir geit gerb gere geri gert getb gete getg geth geti gett ggbt gggg gghg ghee gheg ghib ghit gibb gibe gibh gicr gier giet gige gigg gigi gihe gire girg giri girr girt gite gith grbr grcc grce greb grec gree greg gret grib gric grie grig grit grrr grtc gtbr gtcr h-ii hbic hbit hcbc hccb hccc hcch hcgh hchi hebb hebe hebi hebr hech hect heeb heeg heer heet hege hegg hegh hegi hehe heic heie heih heir heit herb herc here herg heri herr hert hete heth hett hggc hgtc hhgg hhhh hi-c hibi hibt hicc hice hich hiei hier hiet hige high higi higt hihc hihe hihi hiht hiie hiit hire hiri hirt hitc hite hiti hitt hree hrib hrit hrrc hrtb hrte htcc htet httr i-be ibec ibeg ibeh ibet ibge ibie ibrc ibri ibtb ibtc icbc iccb iccc icci iccr icct icec icee icer icet icgc ichc iche ichi ichr icrc icre icrr icrt iecc ieet ieie iere ieri iett igbc igcc iger iget ighe ight igri ihcc iher ihit ihrc ihre ihtc iiht iiie iiii iiit iirc iitr iitt irbe ircc ircg iree irer iri- iric irie irig irrc irre irri irte irti itbe itch itec iter itet itgc ithc ithe itic itie itri rbbb rbbr rbgh rcbc rccb rccc rcet rcgc rchb rcic rcrg rctc rctg rcti rebb rebe recc rece rech reci recr rect reeb reet rege regi regr regt rehb rehe rehi reht reii reir reit rere rerg reri rert rete reth reti retr rett rgbe rgbi rgit rgtr rhbg rhce rhcg rheb rhee rhet rhib rib- ribe ricc rice rich rict rier riet rige rigg righ rigi riht rire riri rite rith riti ritt rrrr rtcc rtce rtcg rtee rtei tbcb tbcc tbce tbit tbrb tccc tch- tche tchh tchi tchr tctc tech tecr tect teec teer teet tegg tegh tegi tegt tehi tehr teic teie teir ter- terc tere teri terr tete teth teti tetr tett tgcc tgtc thch the- theb thec thee thei ther thet thi- thic thie thig thir thre thri thtb thtr tibi ticc tice tich tie- tiee tiei tier tiet tige tigh tigi tigr tiht tiit tirb tire tiri tirr titc tite tith titi titt trcc tre- trec tree treg trei tret trge tri- trib tric trie trig trit trtc trte trtr ttbb tter tttt