-er -ey bbb bbe bbi bbo bbr bbt bbx bby be- beb bee bei beo ber bet bex bey bi- bib bie bii bio bir bit bix biy bob boe boi boo bor bot box boy brb bre bri bro brr brt brx bry btb bte bti bto btr btt btx bty bxb bxi bxo bxx by- bye byi byo byr byt ebb ebe ebi ebo ebr ebt ebx eby eeb eee eeo eer eet eex eey eib eie eii eio eir eit eix eo- eob eoe eoi eoo eor eot erb ere eri ero err ert ery etb ete eti eto etr ett etx ety ex- exe exi exo exr ext exx exy eye eyo eyr eyt ibb ibe ibi ibo ibr ibt ibx iby ie- iee iei ier iet iex iey iib iie iii iio iir iit iix io- iob ioe ioi ioo ior iot ir- irb ire iri iro irr irt irx iry itb ite iti ito itt itx ity ixe ixi ixy iye iyo iyr iyt iyy o-i ob- obb obe obi obo obr obt obx oby oeb oee oei oeo oer oet oex oey oib oie oii oio oir oit oo- oob ooi ooo oor oot oox or- orb ore ori oro orr ort orx ory ot- otb ote oti oto otr ott ox- oxb oxi oxo oxt oxx oxy oye oyi oyo rbb rbe rbi rbo rbr rbt rbx re- reb ree rei reo rer ret rex rey rib rie rii rio rir rit rix riy rob roe roi roo ror rot rox roy rrb rri rrr rrt rtb rte rti rto rtr rtt rtx rty rxr ry- rye ryo ryr ryy t-x tbb tbe tbi tbo tbr tbt te- teb tee tei teo ter tet tex tey tib tie tii tio tir tit tix tiy to- tob toe toi too tor tot tox toy trb tre tri tro trr trt trx try ttb tte tti tto ttr ttt ttx tty txe txi txt tye tyo tyr tyt xbe xbr xbx xee xer xet xex xie xii xio xit xix xoi xoo xor xot xox xrt xrx xry xti xtr xtx xty xxi xxo xxx xxy xyr xyy ybe ybi ybr yby yeb yee yei yeo yer yet yex yey yie yii yio yir yit yob yoe yoi yoo yor yot yox yoy yre yro yrt yte yto ytr ytt yxe yxy yyb yye yyt yyy

bbbb bbeb bbet bbox bboy bbyo bebb bebe bebi bebo beby beeb beer beet beey beir beit beo- beor beot bere beri bero berr bert bery bete beti beto bett beye beyi beyt bibb bibe bibi bibo bieb bier biet bio- bioi biot biox birb bire biri biro birr birt birx biry bite bito bitt bitx bixi bobb bobe bobi bobo boby boee boeo boer boet boey boi- boie boii boit boob booe boor boot boox bor- bore bori boro borr bort bory botb bote boti boto bott boty boxy boye boyi boyo breb bree brei breo brer bret brex brey brie brio brit brix brob broe broo bror brot brox brrr bry- brye bryo btex btie btob btor btrt btry bttb byer byit byob byoi byre byrt byte ebbo ebbr ebby eber ebit ebix eboe eboo ebor ebox eboy ebro eeby eeee eero eery eete eext eiei eier eire eiry eitb eiti eito eitr eoir eore eori eoto er-x erbb erbe ereb erei erer eret erie erio erit erob eroe eroi eroo erre erro erye eryx etbr etee eter etio etix etoe etox etoy etre etro ette etti etto etty exer exit exo- exor exrx exte extr exxy eyeb eyer eyet eyey eyio eyir eyot eyre eyry eyte eyyr i-be i-by ibet ibex ibie ibot ibox ibri ibro ibtb ibyi ieet ieie ieio iere ieri iett iiie iiii iiio iiit iioi iioo iitr iitt iobi ioby ioee ioii ioio ioit iooi iooo iore iori iote ioto irbe irby iree irer irex iri- irie irio irix iriy irob irre irri irte irti itbe itby iter itet itex itie itoi itoo itor itri itry itto itty ixxi iyer iyet iyre o-eo obbo obby ober obet obex obey obie obit obix oboe oboi obor obot obox oboy obre obri obro oere oeti oeye oeyo oier oiii oire oirt oiry oiti oobe oobi ooby ooer oooo oore oort oory ootb ooty orbb orbe orbi orbo orby ore- oreb oreo orer orex orey ori- orie orio orit orix oro- oroe oror orot oroy orri orro orry orte orto oryx otee oter otit oto- otoe otoo otor otoy otre otro otry otte otti otto otyr oxer oxi- oxie oxo- oxox oxxo oxy- oyee oyer oyre oyri rbbb rbbr rebb rebe rebo reeb reet reii reir reit reot rere reri rero rert rery rete reti reto retr rett rety rexx reye rib- ribe ribo riby rier riet riex riot rire riri rite riti rito ritt rixe rixo rixy riyo rob- robb robe robi robo robt roby roer roet roey roio roir roit roob rooi roor root roox rore rori roro rort rory rote roti roto rotr rott roty roxo roxy roye royt rrrr rtee rtei rtex rybe ryeb ryet ryob ryot rytt ryyt tbit tbox tbrb tebo teer teet teie teir teor ter- tere teri tero terr tery tete teti teto tetr tett tetx text teye teyr tibi tie- tiee tiei tieo tier tiet tiit tirb tire tiri tiro tirr tiry tite titi tito titt tixt tiye tiyi tiyo to-y tobe tobi tobo tobt toby toee toei toer toet toey toie toit toor toot tore tori toro torr tort torx tory tote toti toto totr tott toty tox- toxi toxo toxt toyb toyo toyt tre- tree trei treo tret trex trey tri- trib trie trio trit trix troe troi troo trot trox troy trte trtr try- tryb trye tryo ttbb tteo tter ttoe ttoy tttt txii txtr tybi tybo tyee tyer tyet tyir tyr- tyre tyro tyrr tyte tyti tyto tytt tyty tyxt xbee xbox xeer xer- xero xert xexe xibe xibo xiii xito