-er -up b-p b-u bbb bbe bbi bbk bbl bbp bbr bbu be- beb bee bei bek bel bep ber beu bi- bib bie bii bik bil bip bir biu bkb bke bkk bkl bkp bkr blb ble bli blk bll blp blr blu bpb bpe bpi bpl bpp bpr bpu brb bre bri brk brl brp brr bru bub bue bui buk bul bup bur buu ebb ebe ebi ebk ebl ebp ebr ebu eeb eee eek eel eep eer eib eie eii eik eil eip eir eiu ekb eke eki ekl ekp ekr eku elb ele eli elk ell elp elr elu ep- epb epe epi epl epp epr epu erb ere eri erk erl erp err eru eu- eub eue eui eul eup eur ibb ibe ibi ibk ibl ibp ibr ibu ie- iee iei iek iel iep ier iib iie iii iil iip iir iiu ikb ike iki ikk ikl ikr iku il- ilb ile ili ilk ill ilp ilr ilu ipb ipe ipi ipl ipp ipr ipu ir- irb ire iri irk irl irp irr iru iu- iub iue iui iup iur kbb kbe kbi kbk kbl kbp kbr kbu ke- keb kee kei kek kel kep ker kib kie kii kik kil kip kir kiu kkb kke kki kkk kkl kkp kkr kku kl- klb kli klr klu kpe kpi kpk kpl kpp kpr kpu kri krk krl krp krr kru kub kue kui kuk kul kup kur kuu l-p lbb lbe lbi lbk lbl lbp lbr lbu leb lee lei lek lel lep ler leu lib lie lii lik lil lip lir liu lkb lkl lkp lkr llb lle lli llk lll llp llr llu lpb lpe lpi lpk lpl lpp lpr lpu lrb lri lrk lrp lrr lru lub lue lui luk lul lup lur luu p-p pbb pbe pbi pbk pbl pbp pbr pbu peb pee pei pek pel pep per peu pib pie pii pik pil pip pir piu pkb pke pki pkl pkp pkr pku plb ple pli plk pll plp plr plu ppb ppe ppi ppk ppl ppp ppr ppu prb pre pri prk prl prp prr pru pub pue pui puk pul pup pur puu rbb rbe rbi rbk rbl rbp rbr rbu re- reb ree rei rek rel rep rer reu rib rie rii rik ril rip rir rkb rke rkk rkp rku rle rli rll rlp rlr rlu rpb rpe rpi rpk rpl rpp rpr rpu rrb rri rrk rrl rrp rrr rru rub rue rui ruk rup rur ruu ubb ube ubi ubk ubl ubp ubr ubu ueb uee uei uel uep uer uib uie uii uil uip uir uiu ukb uke uki ukk ukl ukp ukr uku ulb ule uli ulk ull ulp ulr ulu up- upb upe upi upk upp upr upu ur- urb ure uri urk url urp urr uru uue uur uuu

bbbb bbeb bblb bbpr bebb bebe bebi beeb beek beel beep beer beik beil beir beke beki bele beli belk bell belp belu bere beri berk berr beru beuk beur bibb bibe bibi bibl bieb biel bier bieu bike biku bile bili bilk bill bilu bipp bipu birb bire biri birk birl birr biru bkpr bleb blee blei blek bleu blik blip blir blkb blub blue blup blur bpel breb bree brei brek brel brep brer brie brik bril brkb brlp brrr brue brup bubb bube bubi bubu buel buer bueu buie buik buir buiu buke buki bukk buku bulb bule buli bulk bull bulu bur- burb bure buri burk burl burp burr buru ebbr ebel eber ebli ebru ebul ebur eeee eeke eele eiei eier eike eiki eile eipr eire ekeb ekek eker ekki ekpe ekur el-b el-p elbe elbi elbu elee elek eler elie elik elil elke elki elle elli ellu elpe elpi elue elui elul epee eper epi- epie epik epil epip eple epll eppp eprb eprp epub erbb erbe ereb erei erel erer erie erik eril eriu erke erki erle erli erll erpe erre erub erur eubi euer eule eur- eure i-be ibie ible ibri ieie iele iere ieri iiie iiii ikee iker ikki ikri ikue ile- ilek iler ilie ilir ilke ilki ilku ill- ille illi illp ilpe ilpr ilre ipbk ipek iper ipie ipil ippr ipri ipur irbe irbp iree irel irer iri- irie iril irip irki irlb irpe irre irri irul iuel iuiu iupp kbbb kbbe kbbi kbbk kbbl kbbr kbbu kbeb kbee kbek kbel kber kbib kbie kbik kbil kbiu kbkb kbkk kbkl kbkr kblb kble kbll kblp kblr kblu kbpe kbpi kbpk kbpr kbpu kbrb kbre kbri kbrk kbrl kbru kbub kbue kbuk kbul kbup kbur kbuu kebb kebe kebi kebr kebu keek keel keep keer keib keii keik keil keir kekb keke keki kekl keku kele keli kelk kell kelp kelu kep- kepe kepi kepu ker- kerb kere keri kerk kerl kerp kerr keru keul keup keur kibb kibe kibi kibl kibr kibu kiel kier kieu kiii kiik kiip kiiu kiki kikk kikr kiku kilb kile kili kilk kill kilp kilr kip- kipe kipi kipl kipp kipr kipu kirb kiri kirk kirp kirr kiru kiul kiup kiur kiuu kkbb kkbe kkbi kkbl kkbr kkik kkkk kklb kkli kkll kkpk kkpl kkrb kkre kkrk kkrl kkrr kkup kkuu klbb klbe klbl klbu kleb klee klek klep kler klib klik klil klip klir kliu klkk klkl klkr kllb klle kllk kllp klpi klpr klrk klrr klru klub klue kluk klup klur kluu kpbb kpbe kpbi kpbl kpbr kpek kpel kper kpir kpke kpkk kpkl kpkr kplk kplr kplu kppk kppl kppp kppr kprb kpre kpri kprk kprl kprp kprr kpru kpub kpul kpur krbb krbe krbi krbk krbl krbr kreb kree krei krek kreu krib krik kril krke krki krkk krkr krku krle krpi krpl krpr krpu krrb krre krri krrk krrl krrr krue krui kruk krul krup krur kubb kube kubr kubu kuei kuek kuel kueu kuie kuik kuil kuke kuki kukk kukl kuku kulb kule kuli kull kulp