bbbb bbeb bbet bebb bebe bebo beeb beek beep beet beke beko beo- beok beot bepo bete beto bett bkpt bobb bobe bobo boee boeo boep boet boke boko boob booe book boop boot bope bopp botb bote boto bott bpoe bpot btbp btek btob bttb ebbo eboe eboo ebpo eeee eeke eete ekeb ekek eket ekpe ekpo eoto epee epot eppo eppp epte etee etoe etok ette etto kbbb kbbe kbbk kbbo kbbt kbeb kbee kbek kbeo kbet kbkb kbkk kbko kbob kboe kbok kboo kbot kbpe kbpk kbpo kbpt kbtb kbte kbtk kbto kbtt kebb kebe kebt keek keep keet kekb keke keko keok kep- kepe kept ket- kete ketk keto ketp kett kkbb kkbe kkbo kkbt kkkk kkob kkoo kkot kkpk kkpt kktk kobb kobe kobk kobo kokb koke kokk koko kokp koob kook kooo koop koot kopb kope kopp kopt kotb kote kotk koto kott kpbb kpbe kpek kpet kpke kpkk kpob kpoe kpok kpoo kpop kppk kppo kppp kpte kpto kptt ktbb ktbt ktee ktek ktep ktkb ktke ktkk ktko ktkt ktob ktoe ktok ktoo ktop ktot ktpk ktpo ktpt kttk ktto kttp kttt o-eo obbo obet obkb oboe obok obot oket okko okok okot okpe okpo okto oobe oooo ootb ootp opep opet opo- oppo opto otee otep oto- otoe otok otoo otpp otte otto pbpk peek peep peet peke pekk peko pepe pepo pete peto pett pobo poet poke poko pook poop poot pop- pope popo popp popt pote poto pott pppo pppp pptt ptop pttk tbtp tebo teek teet teke teok tepe tepp tete teto tett tobe tobo tobt toee toek toet toke toko took toot top- tope topo topp topt tote toto tott tpke tppp tpte tptp ttbb tteo ttoe ttop tttt