-er -ji b-u bbb bbd bbe bbi bbk bbr bbu bdb bdd bde bdi bdj bdk bdr bdu be- beb bed bee bei bek ber beu bi- bib bid bie bii bij bik bir biu bjd bji bjj bjk bjr bju bkb bke bkk bkr brb brd bre bri brj brk brr bru bub bud bue bui buj buk bur buu dbb dbd dbe dbi dbk dbr dbu ddb ddd dde ddi ddk ddr ddu de- deb ded dee dei dej dek der deu di- dib did die dii dik dir diu dj- djb djd dje dji djk dkb dke dki dkk dkr dku drb drd dre dri drj drk drr dru dub dud due dui duk dur ebb ebd ebe ebi ebj ebk ebr ebu ed- edb edd ede edi edj edk edr edu eeb eed eee eek eer eib eid eie eii eij eik eir eiu ejd eji eju ekb ekd eke eki ekr eku erb erd ere eri erk err eru eu- eub eud eue eui euj eur i-d ibb ibd ibe ibi ibj ibk ibr ibu idb idd ide idi idk idr idu ie- ied iee iei iej iek ier iib iid iie iii iij iir iiu ijb ije iji ijk iju ikb ike iki ikk ikr iku ir- irb ird ire iri irj irk irr iru iu- iub iud iue iui iur j-d j-i jbi jbj jbk jbr jbu jdb jde jdi jdr jeb jed jee jei jej jek jer jeu jib jie jii jij jir jiu jjb jjj jjk jjr jju jkb jkk jkr jku jrb jri jrk jrr jub jud jue jui juk jur kbb kbd kbe kbi kbk kbr kbu kdb kde kdk kdr kdu ke- keb ked kee kei kek ker kib kid kie kii kij kik kir kiu kjb kje kji kjr kju kkb kke kki kkk kkr kku krd kri krk krr kru kub kud kue kui kuj kuk kur kuu rbb rbd rbe rbi rbk rbr rbu rdb rdd rde rdi rdj rdr rdu re- reb red ree rei rek rer reu rib rid rie rii rik rir rjk rjr rkb rke rkk rku rrb rrd rri rrk rrr rru rub rud rue rui ruk rur ruu ubb ube ubi ubk ubr ubu udb udd ude udi udj udk udr udu ueb ued uee uei uer uib uid uie uii uir uiu uji ukb uke uki ukk ukr uku ur- urb urd ure uri urk urr uru uue uur uuu