bbbb bbch bbci bbeb bbet bcbc bcbg bccc bcci bcec bcet bche bcie bcit bctc bebb bebe bebi bech beci beeb beeg beet begg begi beic beit betc bete beth beti bett bght bhcc bhet bhie bhit bibb bibe bibi bicc bice bicg bich bici bieb biet bigb bigc bige bigg bigt bihe bihi bitc bite bith bitt btcc btec btie bttb cbbc cbcc cbce cbct cbec cbee cbet cbgb cbit cbtc ccbc cccb cccc ccci ccee ccgc ccgt cche ccic ccii cctb cctc cctt cec- cece ceci cect ceeb ceec cege cet- cete ceti cgcc cgcg chce chch chci cheb chec chee cheh chet chgb chge chib chic chie chig chih chit chtt cibc cibe cibi cicc cich cici cict ciee cigi ciht ciii ciit citb cite citg cith citi citt ctbi ctec ctge ctic ebbc ebcc ebic ebit ecbc ecbe eccb eccc ecce ecci ecct eche echt ecib ecig ecit ect- ectc ecth eeee eetc eete eeth egbe egcc egcg egec egee eggb egge eggh eggi eghe eghh egte ehcc eheh ehte eich eiec eiei eige eigg eigh eitb eitc eith eiti etbc etcc etch etec etee eth- ethe etic ette etti gc-c gcbc gccc gcet gcic gcii gctc gebe gebi gece geet gege gegg geht geic geie geig geit getb gete getg geth geti gett ggbt gggg gghg ghee gheg ghib ghit gibb gibe gibh giet gige gigg gigi gihe gite gith h-ii hbic hbit hcbc hccb hccc hcch hcgh hchi hebb hebe hebi hech hect heeb heeg heet hege hegg hegh hegi hehe heic heie heih heit hete heth hett hggc hgtc hhgg hhhh hi-c hibi hibt hicc hice hich hiei hiet hige high higi higt hihc hihe hihi hiht hiie hiit hitc hite hiti hitt htcc htet i-be ibec ibeg ibeh ibet ibge ibie ibtb ibtc icbc iccb iccc icci icct icec icee icet icgc ichc iche ichi iecc ieet ieie iett igbc igcc iget ighe ight ihcc ihit ihtc iiht iiie iiii iiit iitt itbe itch itec itet itgc ithc ithe itic itie tbcb tbcc tbce tbit tccc tch- tche tchh tchi tctc tech tect teec teet tegg tegh tegi tegt tehi teic teie tete teth teti tett tgcc tgtc thch the- theb thec thee thei thet thi- thic thie thig thtb tibi ticc tice tich tie- tiee tiei tiet tige tigh tigi tiht tiit titc tite tith titi titt ttbb tttt