-er bbb bbe bbi bbn bbo bbq bbr bbt be- beb bee bei ben beo beq ber bet bi- bib bie bii bin bio bir bit bnb bne bni bnn bno bnr bnt bob boe boi bon boo boq bor bot bqe bqt brb bre bri brn bro brq brr brt btb bte bti btn bto btq btr btt ebb ebe ebi ebn ebo ebq ebr ebt eeb eee een eeo eer eet eib eie eii ein eio eir eit en- enb ene eni enn eno enr ent eo- eob eoe eoi eon eoo eoq eor eot eqe eqn eqq eqt erb ere eri ern ero erq err ert etb ete eti etn eto etr ett ibb ibe ibi ibn ibo ibr ibt ie- iee iei ien ier iet iib iie iii iin iio iir iit in- inb ine ini inn ino inq inr int io- iob ioe ioi ion ioo ior iot iqe iqt ir- irb ire iri irn iro irq irr irt itb ite iti itn ito itq itt n-i nbb nbe nbi nbn nbo nbr nbt ne- neb nee nei nen neo ner net nib nie nii nin nio niq nir nit nnb nne nni nnn nno nnt no- nob noe noi non noo nor not nqt nrb nre nri nrn nro nrr nrt ntb nte nti ntn nto ntq ntr ntt o-i ob- obb obe obi obn obo obr obt oeb oee oei oen oeo oer oet oib oie oii oin oio oir oit on- onb one oni onn ono onr ont oo- oob ooi oon ooo oor oot oqb oqo or- orb ore ori orn oro orr ort ot- otb ote oti otn oto otr ott qbe qbq qee qen qeo qet qie qin qio qir qit qnb qne qni qoi qoo qor qqq qrb qre qri qrt qti qto qtq qtr rbb rbe rbi rbn rbo rbr rbt re- reb ree rei ren reo req rer ret rib rie rii rin rio riq rir rit rnb rni rnn rno rnr rnt rob roe roi ron roo ror rot rqn rrb rri rrn rrq rrr rrt rtb rte rti rtn rto rtq rtr rtt tbb tbe tbi tbn tbo tbr tbt te- teb tee tei ten teo teq ter tet tib tie tii tin tio tir tit tnb tne tni tnn tno tnq tnr tnt to- tob toe toi ton too toq tor tot tqo trb tre tri trn tro trq trr trt ttb tte tti ttn tto ttr ttt