-er bbb bbe bbg bbh bbi bbn bbo bbr be- beb bee beg beh bei ben beo ber bgb bge bgg bgh bgi bgn bgo bgr bhb bhe bhg bhh bhi bho bhr bi- bib bie big bih bii bin bio bir bnb bne bng bni bnn bno bnr bob boe bog boh boi bon boo bor brb bre brg brh bri brn bro brr ebb ebe ebg ebh ebi ebn ebo ebr eeb eee eeg een eeo eer egb ege egg egh egi egn ego egr ehb ehe ehg ehh ehi ehn eho ehr eib eie eig eii ein eio eir en- enb ene eng enh eni enn eno enr eo- eob eoe eog eoh eoi eon eoo eor erb ere erg erh eri ern ero err gbe gbg gbh gbi gbn gbo gbr ge- geb gee geg geh gei gen geo ger ggb ggg ggh ggi ggn ggo ggr ghb ghe ghg ghh ghi ghn gho ghr gib gie gig gih gii gin gio gir gnb gne gni gnn gno gnr gob goe gog goh goi gon goo gor grb gre grg grh gri grn gro grr h-i hbb hbe hbg hbh hbi hbn hbo hbr he- heb hee heg heh hei hen heo her hgb hge hgg hgh hgi hgn hgo hgr hhb hhe hhg hhh hhi hhn hho hhr hib hie hig hih hii hin hio hir hnb hne hng hnh hnn hno hob hoe hog hoh hoi hon hoo hor hr- hrb hre hrg hrh hri hrn hro hrr ibb ibe ibg ibh ibi ibn ibo ibr ie- iee ieg iei ien ier igb ige igg igh igi ign igo igr ihb ihe ihg ihh ihi ihn iho ihr iib iie iih iii iin iio iir in- inb ine ing inh ini inn ino inr io- iob ioe iog ioh ioi ion ioo ior ir- irb ire irg iri irn iro irr n-i nbb nbe nbg nbi nbn nbo nbr ne- neb nee neg neh nei nen neo ner ngb nge ngg ngh ngi ngn ngo nhb nhe nhg nhh nhi nhn nhr nib nie nig nih nii nin nio nir nnb nne nng nnh nni nnn nno no- nob noe nog noh noi non noo nor nrb nre nrg nri nrn nro nrr o-i ob- obb obe obg obh obi obn obo obr oeb oee oeg oeh oei oen oeo oer oge ogg ogh ogi ogn ogo ohe ohg ohh ohi ohn oho ohr oib oie oii oin oio oir on- onb one ong onh oni onn ono onr oo- oob oog ooh ooi oon ooo oor or- orb ore org orh ori orn oro orr rbb rbe rbg rbh rbi rbn rbo rbr re- reb ree reg reh rei ren reo rer rgb rge rgg rgh rgi rgn rgo rgr rh- rhb rhe rhg rhh rhi rhn rho rhr rib rie rig rih rii rin rio rir rnb rng rnh rni rnn rno rnr rob roe rog roh roi ron roo ror rrb rrg rrh rri rrn rrr