-er bbb bbd bbe bbi bbk bbo bbr bbt bdb bdd bde bdi bdk bdo bdr bdt be- beb bed bee bei bek beo ber bet bi- bib bid bie bii bik bio bir bit bkb bke bkk bko bkr bkt bob bod boe boi bok boo bor bot brb brd bre bri brk bro brr brt btb btd bte bti btk bto btr btt dbb dbd dbe dbi dbk dbo dbr dbt ddb ddd dde ddi ddk ddo ddr ddt de- deb ded dee dei dek deo der det di- dib did die dii dik dio dir dit dkb dke dki dkk dko dkr dkt dob dod doe doi dok doo dor dot drb drd dre dri drk dro drr drt dtb dtd dte dti dtk dto dtr dtt ebb ebd ebe ebi ebk ebo ebr ebt ed- edb edd ede edi edk edo edr edt eeb eed eee eek eeo eer eet eib eid eie eii eik eio eir eit ekb ekd eke eki eko ekr ekt eo- eob eod eoe eoi eok eoo eor eot erb erd ere eri erk ero err ert etb etd ete eti etk eto etr ett i-d ibb ibd ibe ibi ibk ibo ibr ibt idb idd ide idi idk ido idr idt ie- ied iee iei iek ier iet iib iid iie iii iio iir iit ikb ike iki ikk iko ikr ikt io- iob iod ioe ioi ioo ior iot ir- irb ird ire iri irk iro irr irt itb itd ite iti itk ito itt k-t kbb kbd kbe kbi kbk kbo kbr kdb kde kdk kdo kdr kdt ke- keb ked kee kei kek keo ker ket kib kid kie kii kik kio kir kit kkb kke kki kkk kkr kkt kob kod koe koi kok koo kor kot krd kri krk kro krr krt ktb kte ktk kto ktr ktt o-i ob- obb obd obe obi obk obo obr obt odb odd ode odi odo odr odt oeb oed oee oei oeo oer oet oib oid oie oii oik oio oir oit okb okd oke oki okk oko okr oo- oob ood ooi ook ooo oor oot or- orb ord ore ori ork oro orr ort ot- otb otd ote oti otk oto otr ott rbb rbd rbe rbi rbk rbo rbr rbt rdb rdd rde rdi rdo rdr rdt re- reb red ree rei rek reo rer ret rib rid rie rii rik rio rir rit rkb rke rkk rko rkt rob rod roe roi rok roo ror rot rrb rrd rri rrk rrr rrt rtb rtd rte rti rtk rto rtr rtt tbb tbd tbe tbi tbk tbo tbr tbt tdb tdd tde tdi tdk tdo tdr tdt te- teb ted tee tei tek teo ter tet tib tid tie tii tik tio tir tit tkb tke tkk tko tkr tkt to- tob tod toe toi tok too tor tot trb trd tre tri trk tro trr trt ttb ttd tte tti ttk tto ttr ttt

bbbb bbdd bbdo bbeb bbet bd-r bdii bebb bebe bebi bebo bede bedi bedo beeb beed beek beer beet beik beir beit beke beki beko beo- beod beok beor beot berd bere beri berk bero berr bert bete beti beto bett bibb bibe bibi bibo bide bidi bido bidr bieb bied bier biet bike biko bio- bioi biot birb bird bire biri birk biro birr birt bitd bite bito bitt bobb bobe bobi bobo bodb bode bodi bodo boee boeo boer boet boi- boid boie boii boit boke boki boko boob bood booe book boor boot bor- bord bore bori bork boro borr bort botb botd bote boti boto bott brdo brdt breb bred bree brei brek breo brer bret brid brie brik brio brit brkb brob brod broe brok broo bror brot brrr btdt btek btie btob btor btrt bttb d-bo dbit dbtt dddd ddie ddot ddre debe debi debt dedd dede dedi dedo deeb deed deek deer deet deid deie deir deit dek- deke deor der- derb dere deri derk dero derr dete detk deto detr dibb dibe dibo dide didi dido dieb died dier diet diii dike diki diko dior diot dird dire dirk dirr dirt dite diti dito ditt dkid dobb dobe dobi dod- dodd dode dodi dodo doek doer doid doit doke doki doko doob dood dook door doot dord dore dori dork doro dorr dort dotd dote doti dotk doto dott dred dree drei drek dret drib drie drit drob drod drot dted dtek dtki dtor dtot ebbo ebbr ebed eber ebid ebit eboe eboo ebor ebro edde eddi eddo ede- edei eder edie edik edit edod eede eeee eeke eero eete eid- eide eidi eido eidr eied eiei eier eike eiki eiko eird eire eitb eiti eito eitr ekeb eked ekek eker eket ekki ekoi eode eoir eore eori eotd eoto erbb erbe erde erdi ereb ered erei erer eret erie erik erio erit erke erki erob erod eroe eroi eroo erre erro etbr etee eter etik etio etoe etok etre etro ette etti etto i-be ibdo ibed ibet ibid ibie ibot ibrd ibri ibro ibtb idbe iddo ided idee ideo ider idid idie idio idir idre idro iedr ieet ieie ieio iere ieri iett iide iied iiie iiii iiio iiit iioi iioo iitr iitt ikee iker ikid ikki ikko ikoo ikri iobi iod- iodd iode iodo ioee ioii ioio ioit ioke ioko iooi iooo iore iori iote ioto irbe irdo ired iree irer iri- irid irie irio irki irob irod irre irri irte irti itbe itdo itek iter itet itie itko itoi itoo itor itri itto k-id kbbb kbbd kbbe kbbi kbbk kbbo kbbr kbbt kbdb kbde kbdi kbdo kbdr kbeb kbed kbee kbek kbeo kber kbet kbib kbid kbie kbik kbio kbit kbkb kbkk kbko kbkr kbob kbod kboe kboi kbok kboo kbot kbrb kbrd kbre kbri kbrk kbro kbrt kbtb kbte kbtk kbto kbtr kbtt kdbb kdbi kdbr kddb kddd kddi kddk kddr kdeb kdei kdet kdio kdkb kdkd