-er -ey b-u bbb bbe bbo bbr bbs bbu bbx bby be- beb bee beo ber bes beu bex bey bjj bjr bjs bju bob boe boj boo bor bos bou box boy brb bre brj bro brr brs bru brx bry bsb bse bsj bso bsr bss bsu bsx bsy bub bue buj buo bur bus buu bux buy bxb bxj bxo bxx by- bye byj byo byr bys byu ebb ebe ebj ebo ebr ebs ebu ebx eby eeb eee eeo eer ees eex eey ejo eju eo- eob eoe eoo eor eos eou erb ere ero err ers eru ery es- esb ese eso esr ess esu esx esy eu- eub eue euj eur eus eux ex- exe exo exr exs exu exx exy eye eyo eyr eys jbj jbo jbr jbs jbu jeb jee jej jeo jer jes jeu jey jjb jjj jjr jjs jju jjy job joe joj joo jor jos jou joy jrb jro jrr jrs jsb jse jsj jso jsr jss jsu jsy jub jue juo jur jus juy jxs jyj jyr jys ob- obb obe obj obo obr obs obu obx oby oeb oee oeo oer oes oex oey ojb oje ojo ojs oju ojy oo- oob ooo oor oos oox or- orb ore oro orr ors oru orx ory os- osb ose osj oso osr oss osu osx ou- oue ouo our ous ox- oxb oxo oxx oxy oye oyo oys rbb rbe rbo rbr rbs rbu rbx re- reb ree reo rer res reu rex rey rjr rob roe roj roo ror ros rou rox roy rrb rrr rrs rru rsb rse rsj rso rsr rss rsu rsx rub rue ruo rur rus ruu rux ruy rxr rxs ry- rye ryo ryr rys ryu ryy sbb sbe sbj sbo sbr sbs sbu sbx sby se- seb see sej seo ser ses seu sex sey sjb sje sjj sjr sjs sju sob soe soj soo sor sos sou sox soy sr- srb sre srj sro srr srs srx sry ss- ssb sse ssj sso ssr sss ssu ssx sub sue suo sur sus suu sux suy sxs sxu sy- syb sye syr sys syu syx ubb ube ubo ubr ubs ubu ubx uby ueb uee uer ues uey ujo ujs uob uoe uoj uoo uor uos uox ur- urb ure uro urr urs uru urx ury usb use usj uso usr uss usu usx uue uur uus uuu uxb uxo uxr uxu uyo uys uyu xbe xbr xbx xee xer xes xeu xex xjo xjs xoo xor xos xox xrx xry xsb xss xue xus xxo xxx xxy xyr xyy ybe ybr ybs yby yeb yee yeo yer yes yex yey yob yoe yoj yoo yor yos you yox yoy yre yro yrs yru ysb yse ysj yso ysr yss ysu ysy yue yuj yuo yur yus yuu yux yuy yxe yxy yyb yye yys yyu yyy