-er b-u bbb bbd bbe bbk bbn bbo bbr bbu bdb bdd bde bdk bdo bdr bdu be- beb bed bee bek ben beo ber beu bkb bke bkk bkn bko bkr bnb bnd bne bnk bnn bno bnr bnu bob bod boe bok bon boo bor bou brb brd bre brk brn bro brr bru bub bud bue buk bun buo bur buu dbb dbd dbe dbk dbn dbo dbr dbu ddb ddd dde ddk ddn ddo ddr ddu de- deb ded dee dek den deo der deu dkb dke dkk dko dkr dku dnb dnd dne dnk dnn dno dnr dob dod doe dok don doo dor dou drb drd dre drk drn dro drr dru dub dud due duk dun duo dur ebb ebd ebe ebk ebn ebo ebr ebu ed- edb edd ede edk edn edo edr edu eeb eed eee eek een eeo eer ekb ekd eke eko ekr eku en- enb end ene enk enn eno enr enu eo- eob eod eoe eok eon eoo eor eou erb erd ere erk ern ero err eru eu- eub eud eue eun eur kbb kbd kbe kbk kbn kbo kbr kbu kdb kde kdk kdo kdr kdu ke- keb ked kee kek ken keo ker kkb kke kkk kkn kkr kku kn- knd kne knk knn kno knr knu kob kod koe kok kon koo kor kou krd krk krn kro krr kru kub kud kue kuk kun kur kuu nbb nbd nbe nbk nbn nbo nbr nbu ndb ndd nde ndk ndn ndo ndr ndu ne- neb ned nee nek nen neo ner neu nke nkk nkn nko nkr nku nnb nne nnk nnn nno nnu no- nob nod noe nok non noo nor nou nrb nrd nre nrk nrn nro nrr nru nub nud nue nuk nun nuo nur nuu ob- obb obd obe obk obn obo obr obu odb odd ode odn odo odr odu oeb oed oee oen oeo oer okb okd oke okk oko okr oku on- onb ond one onk onn ono onr onu oo- oob ood ook oon ooo oor or- orb ord ore ork orn oro orr oru ou- oud oue ouk oun ouo our rbb rbd rbe rbk rbn rbo rbr rbu rdb rdd rde rdn rdo rdr rdu re- reb red ree rek ren reo rer reu rkb rke rkk rko rku rnb rnd rnn rno rnr rnu rob rod roe rok ron roo ror rou rrb rrd rrk rrn rrr rru rub rud rue ruk run ruo rur ruu ubb ube ubk ubn ubo ubr ubu udb udd ude udk udn udo udr udu ueb ued uee uen uer ukb uke ukk ukn ukr uku un- unb und une unk unn uno unr unu uob uod uoe uok uon uoo uor ur- urb urd ure urk urn uro urr uru uue uun uur uuu

-ene -one bbbb bbdd bbdo bbeb bd-r bebb bebe bebo bede bedo bedu beeb beed beek been beer beke beko bend bene benk benn beno benu beo- beod beok beon beor berd bere berk bern bero berr beru beuk beur bner bnor bnrr bobb bobe bobo bobu bodb bode bodo bodu boee boen boeo boer boke bokn boko boku bond bone bonk bonn bono bonu boob bood booe book boon boor bor- bord bore bork born boro borr boru boud boue bouk boun bour brdo breb bred bree brek bren breo brer brkb brno brob brod broe brok bron broo bror brou brrr brud brue brun bubb bube bubo bubu budb budd bude budo budu buen buer bueu buke bukk buko buku bunb bund bune bunk bunn buno bunu buon bur- burb burd bure burk burn buro burr buru d-bo dbrn dddd ddre ddub debe debu dedd dede dedo dedu deeb deed deek deen deer dek- deke dene denk denn deno denu deon deor der- derb dere derk dern dero derr deue deuk deur dner dnuk dobb dobe dobu dod- dodd dode dodo doek doen doer doke doko dond done donk donn dono donr doob dood dook doon door dord dore dork dorn doro dorr doru doub doud doue douk doun dour dred dree drek dren drno drob drod dron drou drub drue druk druu dub- dubb dube dubu dudd dude dudo dudu duer duke duku dune dunk dunn duno duo- duon dure durk durn duro duru duur ebbo ebbr ebed eben eber ebno eboe ebon eboo ebor ebro ebru ebur edde eddo ede- eden eder edno edod edon edou edrn edru edun edur eede eedu eeee eeke eend eero ekeb eked ekek eken eker ekne ekur enb- enbn enbr end- ende endo endu ened enee eneo ener enke enkr enne ennu eno- enoe enon enue enur eode eone eore erbb erbe erde ereb ered eren erer erke erne erno erob erod eroe eron eroo erre erro erub erur eude euer eur- eure euro kbbb kbbd kbbe kbbk kbbo kbbr kbbu kbdb kbde kbdn kbdo kbdr kbeb kbed kbee kbek kben kbeo kber kbkb kbkk kbko kbkr kbnd kbnn kbno kbnr kbnu kbob kbod kboe kbok kbon kboo kbrb kbrd kbre kbrk kbrn kbro kbru kbub kbud kbue kbuk kbun kbur kbuu kdbb kdbn kdbr kddb kddd kddk kddr kdeb kden kdkb kdkd kdkk kdkn kdko kdkr kdnd kdne kdnk kdnn kdno kdnr kdoe kdok kdrb kdro kdub kdun kdur kebb kebe kebn kebr kebu kedb kedd kede kedo kedr keed keek keen keer kekb keke keko keku ken- kend kene kenk kenn keno kenr kenu keok keon ker- kerb kere kerk kern kero kerr keru keun keur kkbb kkbd kkbe kkbn kkbo kkbr kkdd kkdo kked kken kkkk kknb kknd kkne kknn kkno kknu kkob kkon kkoo kkor kkrb kkre kkrk kkrn kkro kkrr kkuu knbb knbe knbn knbr knbu kndb kndd knde kndk kndn kndo kndr kndu kneb kned knee knek knen kneo kneu knkk knnb knnd knnk knnr knob knod knoe knok knon knor knou knrb knrk knro knub knud knue knuk knur kobb kobe kobk kobn kobo