-er -ol bbb bbe bbf bbi bbl bbo bbr bbt be- beb bee bef bei bel beo ber bet bez bfb bfe bff bfi bfl bfo bfr bft bfz bi- bib bie bif bii bil bio bir bit biz blb ble blf bli bll blo blr blt blz bob boe bof boi bol boo bor bot boz brb bre brf bri brl bro brr brt brz btb bte btf bti btl bto btr btt btz bze bzf bzo bzr bzz ebb ebe ebf ebi ebl ebo ebr ebt eeb eee eef eel eeo eer eet ef- efb efe eff efi efl efo efr eft eib eie eif eii eil eio eir eit elb ele elf eli ell elo elr elt elz eo- eob eoe eof eoi eol eoo eor eot erb ere erf eri erl ero err ert erz etb ete etf eti etl eto etr ett etz eze ezf ezo ezr ezz fbb fbe fbf fbi fbl fbo fbr fbt feb fee fef fei fel feo fer fet fez ffe fff ffi ffl ffo ffr fft ffz fib fie fif fii fil fir fit fiz flb fle flf fli fll flo flr flt fob foe fof foi fol foo for fot foz frb fre frf fri frl fro frr frt ftb fte ftf fti ftl fto ftr ftt ftz i-f ibb ibe ibf ibi ibl ibo ibr ibt ibz ie- iee ief iei iel ier iet ifb ife iff ifi ifl ifo ifr ift ifz iib iie iif iii iil iio iir iit il- ilb ile ilf ili ill ilo ilr ilt ilz io- iob ioe iof ioi iol ioo ior iot ir- irb ire irf iri irl iro irr irt itb ite itf iti itl ito itt itz ize izi izo izz lbb lbe lbf lbi lbl lbo lbr lbt leb lee lef lei lel leo ler let lez lfb lfe lff lfi lfl lfo lfr lft lib lie lif lii lil lio lir lit liz llb lle llf lli lll llo llr llt llz lob loe lof loi lol loo lor lot loz lrb lrf lri lro lrr lrt lrz ltb lte ltf lti ltl lto ltr ltt ltz lzi lzo lzr o-i ob- obb obe obf obi obl obo obr obt oeb oee oef oei oel oeo oer oet of- ofb ofe off ofi ofl ofo ofr oft ofz oib oie oif oii oil oio oir oit oiz olb ole olf oli oll olo olt oo- oob oof ooi ool ooo oor oot or- orb ore orf ori orl oro orr ort orz ot- otb ote otf oti otl oto otr ott otz oze ozo ozt ozz rbb rbe rbf rbi rbl rbo rbr rbt re- reb ree ref rei rel reo rer ret rez rfb rfe rff rfi rfl rfo rfr rft rfz rib rie rif rii ril rio rir rit riz rle rlf rli rll rlo rlr rlt rob roe rof roi rol roo ror rot roz rrb rrf rri rrl rrr rrt rtb rte rtf rti rtl rto rtr rtt rtz rzb rze rzo tbb tbe tbf tbi tbl tbo tbr tbt tbz te- teb tee tef tei tel teo ter tet tez tfb tfe tff tfi tfl tfo tfr tft tib tie tif tii til tio tir tit tiz tle tlf tli tll tlo tlr tlt tlz to- tob toe tof toi tol too tor tot toz trb tre trf tri trl tro trr trt trz ttb tte ttf tti ttl tto ttr ttt tze tzf zbb zbl zbr zbt zeb zee zef zel zeo zer zet zez zfr zib zie zif zil zio zir zit ziz zlr zlt zo- zob zoe zof zoi zol zoo zor zot zrl zro zte ztl ztr zzr zzt zzz