bbbb bbbs bbdd bdii bdsd bibb bibi bibs bidi bids biis bis- bisd bisk biss bist bitd bits bitt bsbd bskt bssd bsts btdt btss bttb dbit dbss dbtt dddd ddss ddts dibb dibs didi dids diii diis diki dis- disd disi disk diss dist diti dits ditt dkid dssi dsst dsts dtki dtss ibid ibis ibss ibtb ibts idid idis idss idts iiii iiis iiit iisd iisi iist iitt ikid ikki isbd isbt isdb isds isis isit issi isss istd isti ists itbs itis itsi k-id kbbb kbbd kbbi kbbk kbbs kbbt kbdb kbdi kbds kbib kbid kbik kbis kbit kbkb kbkk kbsb kbsi kbsk kbss kbst kbtb kbtk kbts kbtt kdbb kdbi kdbs kddb kddd kddi kddk kdis kdkb kdkd kdkk kdkt kdsd kdsk kdss kdst kdtd kdti kibb kibi kibs kibt kidb kidd kidi kidk kids kiid kiii kiik kiis kiit kikd kiki kikk kikt kisd kisi kisk kiss kist kiti kits kitt kkbb kkbd kkbi kkbs kkbt kkdd kkdt kkid kkik kkit kkkk kksd kksi kkss kkst kktk kkts ksbi ksbs ksdi ksdk ksds ksib ksid ksii ksik ksis ksit kskb kskd kskk ksks kssi ksss ksst kstb ksti kstk ksts kstt ktbb ktbt ktdb ktdd ktdk ktib ktik ktis ktkb ktkk ktks ktkt ktsd ktst ktti kttk ktts kttt s-ib s-ii sbbs sbds sbsd sbsi sbst sbtk sdds sdib sdss sibi sibs sidd sidi sids siik siit siki siks sisd sisi sisk siss sist sit- sitd siti sits sitt skid skik skis skit sksd skss ssdd ssid ssis ssit sssb sssi ssss sstb sstd ssts stbd stbs stds stib stid stik stis stit stks stsi stss sttd tbbs tbit tbst tddb tdis tdss tibi tibs tidd tids tiit tiki tisb tisi tiss tist titi tits titt tkts tsbd tsdb tsid tsis tsks tssi tsst tsts ttbb ttss tttt