-er -ol b-p bbb bbe bbi bbl bbn bbo bbp bbr be- beb bee bei bel ben beo bep ber bez bi- bib bie bii bil bin bio bip bir biz blb ble bli bll bln blo blp blr blz bnb bne bni bnl bnn bno bnp bnr bnz bob boe boi bol bon boo bop bor boz bpb bpe bpi bpl bpn bpo bpp bpr brb bre bri brl brn bro brp brr brz bze bzn bzo bzp bzr bzz ebb ebe ebi ebl ebn ebo ebp ebr eeb eee eel een eeo eep eer eib eie eii eil ein eio eip eir elb ele eli ell eln elo elp elr elz en- enb ene eni enl enn eno enp enr enz eo- eob eoe eoi eol eon eoo eop eor ep- epb epe epi epl epn epo epp epr epz erb ere eri erl ern ero erp err erz eze ezo ezr ezz ibb ibe ibi ibl ibn ibo ibp ibr ibz ie- iee iei iel ien iep ier iib iie iii iil iin iio iip iir il- ilb ile ili ill iln ilo ilp ilr ilz in- inb ine ini inl inn ino inp inr io- iob ioe ioi iol ion ioo iop ior ipb ipe ipi ipl ipn ipo ipp ipr ir- irb ire iri irl irn iro irp irr ize izi izo izz l-p lbb lbe lbi lbl lbo lbp lbr leb lee lei lel len leo lep ler lez lib lie lii lil lin lio lip lir liz llb lle lli lll lln llo llp llr llz lnb lne lni lnl lnn lno lnp lnr lob loe loi lol lon loo lop lor loz lpb lpe lpi lpl lpn lpo lpp lpr lpz lrb lri lrn lro lrp lrr lrz lzi lzo lzr n-i nbb nbe nbi nbl nbn nbo nbp nbr ne- neb nee nei nel nen neo nep ner nez nib nie nii nil nin nio nip nir niz nlb nle nli nll nln nlo nlp nlr nlz nnb nne nni nnl nnn nno nnp nnz no- nob noe noi nol non noo nop nor noz npb npe npi npl npn npo npp npr npz nrb nre nri nrl nrn nro nrp nrr nrz nzb nze nzi nzo nzp nzz o-i ob- obb obe obi obl obn obo obp obr oeb oee oei oel oen oeo oep oer oib oie oii oil oin oio oip oir oiz olb ole oli oll oln olo olp on- onb one oni onl onn ono onp onr oo- oob ooi ool oon ooo oop oor op- opb ope opi opl opn opo opp opr or- orb ore ori orl orn oro orp orr orz oze ozo ozz p-p pbb pbe pbi pbl pbn pbo pbp pbr pbz peb pee pei pel pen peo pep per pez pib pie pii pil pin pio pip pir piz plb ple pli pll pln plo plp plr plz pn- pnb pne pni pnl pnn pno pnp pnr pob poe poi pol pon poo pop por poz ppb ppe ppi ppl ppn ppo ppp ppr ppz prb pre pri prl prn pro prp prr prz pzl pzp rbb rbe rbi rbl rbn rbo rbp rbr re- reb ree rei rel ren reo rep rer rez rib rie rii ril rin rio rip rir riz rle rli rll rln rlo rlp rlr rnb rni rnn rno rnp rnr rnz rob roe roi rol ron roo rop ror roz rpb rpe rpi rpl rpn rpo rpp rpr rpz rrb rri rrl rrn rrp rrr rzb rze rzo zbb zbl zbr zeb zee zel zen zeo zep zer zez zib zie zil zin zio zip zir ziz zlr zne znn zno znp zo- zob zoe zoi zol zon zoo zor zpe zpi zpl zpo zpp zpr zrl zro zrp zzr zzz