-er b-u bbb bbe bbg bbk bbn bbr bbt bbu be- beb bee beg bek ben ber bet beu bgb bge bgg bgk bgn bgr bgt bgu bkb bke bkg bkk bkn bkr bkt bnb bne bng bnk bnn bnr bnt bnu brb bre brg brk brn brr brt bru btb bte btg btk btn btr btt btu bub bue bug buk bun bur but buu ebb ebe ebg ebk ebn ebr ebt ebu eeb eee eeg eek een eer eet egb ege egg egn egr egt egu ekb eke ekg ekr ekt eku en- enb ene eng enk enn enr ent enu erb ere erg erk ern err ert eru etb ete etg etk etn etr ett etu eu- eub eue eug eun eur eut gbe gbg gbk gbn gbr gbt gbu ge- geb gee geg gek gen ger get geu ggb ggg ggn ggr ggt ggu gkb gkn gkt gnb gne gnn gnr gnt gnu grb gre grg grk grn grr grt gru gtb gte gtg gtk gtn gtr gtt gtu gu- gub gue gug guk gun gur gut guu k-t kbb kbe kbk kbn kbr kbu ke- keb kee keg kek ken ker ket kgb kgu kkb kke kkk kkn kkr kkt kku kn- kne kng knk knn knr knt knu krg krk krn krr krt kru ktb kte ktg ktk ktn ktr ktt ktu kub kue kug kuk kun kur kut kuu nbb nbe nbg nbk nbn nbr nbt nbu ne- neb nee neg nek nen ner net neu ngb nge ngg ngk ngn ngt ngu nke nkk nkn nkr nkt nku nnb nne nng nnk nnn nnt nnu nrb nre nrg nrk nrn nrr nrt nru ntb nte ntg ntk ntn ntr ntt ntu nub nue nug nuk nun nur nut nuu rbb rbe rbg rbk rbn rbr rbt rbu re- reb ree reg rek ren rer ret reu rgb rge rgg rgk rgn rgr rgt rkb rke rkg rkk rkt rku rnb rng rnn rnr rnt rnu rrb rrg rrk rrn rrr rrt rru rtb rte rtg rtk rtn rtr rtt rtu rub rue rug ruk run rur rut ruu tbb tbe tbg tbk tbn tbr tbt tbu te- teb tee teg tek ten ter tet teu tgb tge tgg tgk tgn tgr tgt tgu tkb tke tkg tkk tkr tkt tnb tne tng tnk tnn tnr tnt trb tre trg trk trn trr trt tru ttb tte ttg ttk ttn ttr ttt ttu tub tue tug tuk tun tur tut tuu ubb ube ubg ubk ubn ubr ubt ubu ueb uee ueg uen uer uet ugb uge ugg ugk ugn ugr ugt ugu ukb uke ukk ukn ukr uku un- unb une ung unk unn unr unt unu ur- urb ure urg urk urn urr urt uru utb ute utk utn utr utt utu uue uug uun uur uut uuu

-ene bbbb bbeb bbet bbng bbrg bebb bebe beeb beeg beek been beer beet begg begu beke bene beng benk benn bent benu bere berg berk bern berr bert beru bete bett betu beuk beur bgun bneg bner bnet bnrr breb bree breg brek bren brer bret brkb brrr brue brug brun brut btek bten btrt bttb bubb bube bubu buen buer bueu buge bugg buke bukk buku bunb bune bung bunk bunn bunt bunu bur- burb bure burg burk burn burr burt buru but- bute butt ebbr eben eber ebru ebur eeee eeke eeng eent eerg eete eetu egbe egbu egee eger eggb egge egne egnt egre egte egtk ekeb ekek eken eker eket ekne ekur enb- enbn enbr enee eneg ener enge engg engr enke enkr enne ennu ent- ente entr enue enur enut erbb erbe ereb eren erer eret erg- ergg erke erne erre ertu erub erur etbr etee eten eter etne etnr etre ette ettn ettu etun euer euge eur- eure eurt gebe geek geen geer geet gege gegg gen- gene geng genk genn gent genu gerb gere gern gert geru getb gete getg getk gett geue geun ggbt gggg ggrn gnet gneu gnrr grbr greb gree greg gren gret greu grrr grub grue grug grun grur grut gtbr gubb gubu guen guer gugb guge gugg gugu gung gunk gunn gunt gurb gure gurg gurk gurn gurr gurt guru gute gutt gutu kbbb kbbe kbbg kbbk kbbr kbbt kbbu kbeb kbee kbek kben kber kbet kbgb kbge kbgg kbgn kbgr kbgt kbkb kbkg kbkk kbkr kbng kbnn kbnr kbnu kbrb kbre kbrg kbrk kbrn kbrt kbru kbtb kbte kbtk kbtn kbtr kbtt kbub kbue kbuk kbun kbur kbut kbuu kebb kebe kebn kebr kebt kebu keek keen keer keet kege kegg kegk kegr kekb keke keku ken- kene keng kenk kenn kenr kent kenu ker- kerb kere kerk kern kerr kert keru ket- kete ketk ketr kett ketu keug keun keur kgbb kgbn kgbr kgbt kgeb kgen kget kggg kggr kgnb kgng kgnr kgnt kgnu kgrb kgre kgrg kgrk kgrn kgrr kgrt kgtk kkbb kkbe kkbg kkbn kkbr kkbt kkeg kken kkgb kkgr kkkk kknb kkne kknn kknt kknu kkrb kkre kkrk kkrn kkrr kkrt kktk kktu kkut kkuu knbb knbe knbn knbr knbt knbu kneb knee knek knen knet kneu kngn kngr kngt knkk knkt knnb knng knnk knnr knrb knrg knrk knte kntk kntn kntr kntu knub knue knuk knur knut krbb krbe krbg krbk krbr krbt kreb kree krek kren kret kreu krgn krgt krke krkk krkn krkr krku krnb krne krng krnk krnn krnt krnu krrb krre krrg krrk krrn krrr krrt krtk krtn krtr krue krug kruk krun krur ktbb ktbg ktbn ktbr ktbt ktbu ktee kteg ktek kten ktge ktgg ktgr ktkb ktke ktkk ktkn ktkr ktkt ktku ktne ktnk ktnn ktnt ktrb ktre ktrg ktrk ktrn ktrr ktrt ktru kttg kttk kttn kttr kttt kttu ktub ktug ktun kubb kube kubr kubu kuek kuen kueu kugb kuge kugn kugr kuke kukk kukn kuku kune kung kunk kunr kunt kunu kurb kure kurk kurr kurt kuru kute kutr kutt kutu kuub kuuk kuur