-er -ji bbb bbe bbg bbi bbk bbn bbo bbr be- beb bee beg bei bek ben beo ber bgb bge bgg bgi bgk bgn bgo bgr bi- bib bie big bii bij bik bin bio bir bjg bji bjj bjk bjn bjr bkb bke bkg bkk bkn bko bkr bnb bne bng bni bnj bnk bnn bno bnr bob boe bog boi boj bok bon boo bor brb bre brg bri brj brk brn bro brr ebb ebe ebg ebi ebj ebk ebn ebo ebr eeb eee eeg eek een eeo eer egb ege egg egi egn ego egr eib eie eig eii eij eik ein eio eir eji ejo ekb eke ekg eki eko ekr en- enb ene eng eni enk enn eno enr eo- eob eoe eog eoi eok eon eoo eor erb ere erg eri erk ern ero err gbe gbg gbi gbj gbk gbn gbo gbr ge- geb gee geg gei gek gen geo ger ggb ggg ggi ggj ggn ggo ggr gib gie gig gii gij gik gin gio gir gje gjg gjr gkb gkn gko gnb gne gni gnn gno gnr gob goe gog goi gok gon goo gor grb gre grg gri grj grk grn gro grr ibb ibe ibg ibi ibj ibk ibn ibo ibr ie- iee ieg iei iej iek ien ier igb ige igg igi igk ign igo igr iib iie iii iij iin iio iir ijb ije ijg iji ijk ijn ijo ikb ike iki ikk iko ikr in- inb ine ing ini inj ink inn ino inr io- iob ioe iog ioi ioj ion ioo ior ir- irb ire irg iri irj irk irn iro irr j-i jbg jbi jbj jbk jbo jbr jeb jee jeg jei jej jek jen jeo jer jgb jge jgi jgn jgo jgr jib jie jig jii jij jin jio jir jjb jjg jjj jjk jjr jkb jkk jkn jko jkr jne jng jnj jnn jno jnr job joe jog joi joj jok jon joo jor jrb jrg jri jrk jrn jro jrr kbb kbe kbi kbk kbn kbo kbr ke- keb kee keg kei kek ken keo ker kgb kgi kgo kib kie kig kii kij kik kin kio kir kjb kje kji kjr kkb kke kki kkk kkn kkr kn- kne kng kni knk knn kno knr kob koe kog koi kok kon koo kor krg kri krk krn kro krr n-i nbb nbe nbg nbi nbk nbn nbo nbr ne- neb nee neg nei nej nek nen neo ner ngb nge ngg ngi ngj ngk ngn ngo nib nie nig nii nik nin nio nir nje njk njn nke nki nkj nkk nkn nko nkr nnb nne nng nni nnk nnn nno no- nob noe nog noi noj nok non noo nor nrb nre nrg nri nrj nrk nrn nro nrr o-i ob- obb obe obg obi obj obk obn obo obr oeb oee oeg oei oen oeo oer oge ogg ogi ogn ogo oib oie oii oik oin oio oir ojb oje oji ojo okb oke okg oki okj okk oko okr on- onb one ong oni onj onk onn ono onr oo- oob oog ooi ook oon ooo oor or- orb ore org ori ork orn oro orr rbb rbe rbg rbi rbk rbn rbo rbr re- reb ree reg rei rek ren reo rer rgb rge rgg rgi rgk rgn rgo rgr rib rie rig rii rik rin rio rir rjg rjk rjr rkb rke rkg rkk rko rnb rng rni rnn rno rnr rob roe rog roi roj rok ron roo ror rrb rrg rri rrk rrn rrr