bbbb bbbs bbdd bdii bdsd bibb bibi bibs bidi bids biis bis- bisd bisk biss bisy biys bsbd bssd byik byki bysb bysi byss bysy byyd dbss dddd ddss dibb dibs diby didi dids didy diii diis diki dis- disd disi disk diss disy diyi dkid dssi dydd dys- dysi dyss i-by ibid ibis ibss ibyi idid idis idss iiii iiis iisd iisi ikid ikki ikky isbd isdb isds isis issi isss issy isys k-id kbbb kbbd kbbi kbbk kbbs kbdb kbdi kbds kbdy kbib kbid kbik kbis kbiy kbkb kbkk kbky kbsb kbsi kbsk kbss kbsy kbyb kbyi kbys kdbb kdbi kdbs kddb kddd kddi kddk kdis kdkb kdkd kdkk kdsd kdsk kdss kdyk kibb kibi kibs kiby kidb kidd kidi kidk kids kidy kiid kiii kiik kiis kikd kiki kikk kisd kisi kisk kiss kisy kiyi kiyk kiys kkbb kkbd kkbi kkbs kkdd kkdy kkid kkik kkkk kksd kksi kkss kkys kkyy ksbi ksbs ksby ksdi ksdk ksds ksib ksid ksii ksik ksis ksiy kskb kskd kskk ksks ksky kssi ksss ksyy kybb kybi kyby kydd kyds kydy kyis kykd kykk kyks kyky kysk kyyi kyyk kyys kyyy s-ib s-ii sbbs sbds sbsd sbsi sdds sdib sdss sibi sibs siby sidd sidi sids sidy siik siki siks sisd sisi sisk siss sisy siyi skid skik skis sksd skss sky- skys skyy ssby ssdd ssid ssis sssb sssi ssss sydi syds syik syis syss syyk ybbs yidi yids yisk yiss ykid ysby ysii ysyb yyyy