-al -er -ol a-a a-b a-i aaa aab aae aai aal aan aao aap aar ab- aba abb abe abi abl abn abo abp abr aea aeb aee aei ael aen aeo aep aer ai- aia aib aie aii ail ain aio aip air al- ala alb ale ali all aln alo alp alr an- ana anb ane ani anl ann ano anp anr aoa aob aoe aoi aol aon aoo aop aor ap- apa apb ape api apl apn apo app apr ar- ara arb are ari arl arn aro arp arr b-p baa bab bae bai bal ban bao bap bar bba bbb bbe bbi bbl bbn bbo bbp bbr be- bea beb bee bei bel ben beo bep ber bi- bia bib bie bii bil bin bio bip bir bla blb ble bli bll bln blo blp blr bna bnb bne bni bnl bnn bno bnp bnr boa bob boe boi bol bon boo bop bor bpa bpb bpe bpi bpl bpn bpo bpp bpr bra brb bre bri brl brn bro brp brr eaa eab eae eai eal ean eao eap ear eba ebb ebe ebi ebl ebn ebo ebp ebr eea eeb eee eel een eeo eep eer eia eib eie eii eil ein eio eip eir ela elb ele eli ell eln elo elp elr en- ena enb ene eni enl enn eno enp enr eo- eoa eob eoe eoi eol eon eoo eop eor ep- epa epb epe epi epl epn epo epp epr era erb ere eri erl ern ero erp err ia- iaa iab iae iai ial ian iao iap iar iba ibb ibe ibi ibl ibn ibo ibp ibr ie- iea iee iei iel ien iep ier iia iib iie iii iil iin iio iip iir il- ila ilb ile ili ill iln ilo ilp ilr in- ina inb ine ini inl inn ino inp inr io- ioa iob ioe ioi iol ion ioo iop ior ipa ipb ipe ipi ipl ipn ipo ipp ipr ir- ira irb ire iri irl irn iro irp irr l-p la- laa lab lae lai lal lan lao lap lar lba lbb lbe lbi lbl lbo lbp lbr lea leb lee lei lel len leo lep ler lia lib lie lii lil lin lio lip lir lla llb lle lli lll lln llo llp llr lna lnb lne lni lnl lnn lno lnp lnr loa lob loe loi lol lon loo lop lor lpa lpb lpe lpi lpl lpn lpo lpp lpr lra lrb lri lrn lro lrp lrr n-i naa nab nae nai nal nan nao nap nar nba nbb nbe nbi nbl nbn nbo nbp nbr ne- nea neb nee nei nel nen neo nep ner nia nib nie nii nil nin nio nip nir nla nlb nle nli nll nln nlo nlp nlr nna nnb nne nni nnl nnn nno nnp no- noa nob noe noi nol non noo nop nor npa npb npe npi npl npn npo npp npr nra nrb nre nri nrl nrn nro nrp nrr o-i oaa oab oae oai oal oan oao oap oar ob- oba obb obe obi obl obn obo obp obr oea oeb oee oei oel oen oeo oep oer oia oib oie oii oil oin oio oip oir ola olb ole oli oll oln olo olp on- ona onb one oni onl onn ono onp onr oo- ooa oob ooi ool oon ooo oop oor op- opa opb ope opi opl opn opo opp opr or- ora orb ore ori orl orn oro orp orr p-p paa pab pae pai pal pan pao pap par pba pbb pbe pbi pbl pbn pbo pbp pbr pea peb pee pei pel pen peo pep per pia pib pie pii pil pin pio pip pir pla plb ple pli pll pln plo plp plr pn- pna pnb pne pni pnl pnn pno pnp pnr poa pob poe poi pol pon poo pop por ppa ppb ppe ppi ppl ppn ppo ppp ppr pra prb pre pri prl prn pro prp prr ra- raa rab rae rai ral ran rao rap rar rba rbb rbe rbi rbl rbn rbo rbp rbr re- rea reb ree rei rel ren reo rep rer ria rib rie rii ril rin rio rip rir rla rle rli rll rln rlo rlp rlr rna rnb rni rnn rno rnp rnr roa rob roe roi rol ron roo rop ror rpa rpb rpe rpi rpl rpn rpo rpp rpr rra rrb rri rrl rrn rrp rrr