-er -ol bbb bbe bbi bbl bbn bbo bbr be- beb bee bei bel ben beo ber bev bez bi- bib bie bii bil bin bio bir biv biz blb ble bli bll bln blo blr blv blz bnb bne bni bnl bnn bno bnr bnv bnz bob boe boi bol bon boo bor bov boz brb bre bri brl brn bro brr brv brz bvb bve bvi bvl bvn bvo bvr bvv bze bzn bzo bzr bzz ebb ebe ebi ebl ebn ebo ebr ebv eeb eee eel een eeo eer eev eib eie eii eil ein eio eir eiv elb ele eli ell eln elo elr elv elz en- enb ene eni enl enn eno enr env enz eo- eob eoe eoi eol eon eoo eor erb ere eri erl ern ero err erv erz evb eve evi evl evn evo evr evv eze ezo ezr ezz i-v ibb ibe ibi ibl ibn ibo ibr ibv ibz ie- iee iei iel ien ier iev iib iie iii iil iin iio iir il- ilb ile ili ill iln ilo ilr ilv ilz in- inb ine ini inl inn ino inr inv io- iob ioe ioi iol ion ioo ior iov ir- irb ire iri irl irn iro irr irv ivb ive ivi ivl ivo ivr ivv ize izi izo izz lbb lbe lbi lbl lbo lbr lbv leb lee lei lel len leo ler lev lez lib lie lii lil lin lio lir liv liz llb lle lli lll lln llo llr llv llz lnb lne lni lnl lnn lno lnr lob loe loi lol lon loo lor lov loz lrb lri lrn lro lrr lrv lrz lvb lve lvi lvl lvn lvr lvv lvz lzi lzo lzr n-i nbb nbe nbi nbl nbn nbo nbr nbv ne- neb nee nei nel nen neo ner nev nez nib nie nii nil nin nio nir niv niz nlb nle nli nll nln nlo nlr nlv nlz nnb nne nni nnl nnn nno nnv nnz no- nob noe noi nol non noo nor nov noz nrb nre nri nrl nrn nro nrr nrv nrz nvb nve nvi nvl nvn nvv nzb nze nzi nzo nzz o-i ob- obb obe obi obl obn obo obr obv oeb oee oei oel oen oeo oer oib oie oii oil oin oio oir oiv oiz olb ole oli oll oln olo on- onb one oni onl onn ono onr oo- oob ooi ool oon ooo oor oov or- orb ore ori orl orn oro orr orv orz ov- ovb ove ovi ovl ovo ovv oze ozo ozz rbb rbe rbi rbl rbn rbo rbr re- reb ree rei rel ren reo rer rev rez rib rie rii ril rin rio rir riv riz rle rli rll rln rlo rlr rnb rni rnn rno rnr rnv rnz rob roe roi rol ron roo ror rov roz rrb rri rrl rrn rrr rvb rve rvi rvl rvn rvo rvr rvv rzb rze rzo v-e vbi vbl vbo vbr vbv vbz veb vee vei vel ven veo ver vez vi- vib vie vii vil vin vio vir viv viz vl- vlb vle vll vlo vlv vn- vni vnl vno vnr vnv vob voe voi vol von voo vor vov voz vrb vre vri vrn vrr vvb vvi vvo vvr vvv vvz vzn zbb zbl zbr zbv zeb zee zel zen zeo zer zev zez zib zie zil zin zio zir ziv ziz zlr zne znn zno zo- zob zoe zoi zol zon zoo zor zrl zro zvi zzr zzz