-al -er a-a a-b a-i aaa aab aae aai aal aan aap aar ab- aba abb abe abi abl abn abp abr aea aeb aee aei ael aen aep aer ai- aia aib aie aii ail ain aip air al- ala alb ale ali all aln alp alr an- ana anb ane ani anl ann anp anr ap- apa apb ape api apl apn app apr ar- ara arb are ari arl arn arp arr b-p baa bab bae bai bal ban bap bar bba bbb bbe bbi bbl bbn bbp bbr be- bea beb bee bei bel ben bep ber bi- bia bib bie bii bil bin bip bir bla blb ble bli bll bln blp blr bna bnb bne bni bnl bnn bnp bnr bpa bpb bpe bpi bpl bpn bpp bpr bra brb bre bri brl brn brp brr eaa eab eae eai eal ean eap ear eba ebb ebe ebi ebl ebn ebp ebr eea eeb eee eel een eep eer eia eib eie eii eil ein eip eir ela elb ele eli ell eln elp elr en- ena enb ene eni enl enn enp enr ep- epa epb epe epi epl epn epp epr era erb ere eri erl ern erp err ia- iaa iab iae iai ial ian iap iar iba ibb ibe ibi ibl ibn ibp ibr ie- iea iee iei iel ien iep ier iia iib iie iii iil iin iip iir il- ila ilb ile ili ill iln ilp ilr in- ina inb ine ini inl inn inp inr ipa ipb ipe ipi ipl ipn ipp ipr ir- ira irb ire iri irl irn irp irr l-p la- laa lab lae lai lal lan lap lar lba lbb lbe lbi lbl lbp lbr lea leb lee lei lel len lep ler lia lib lie lii lil lin lip lir lla llb lle lli lll lln llp llr lna lnb lne lni lnl lnn lnp lnr lpa lpb lpe lpi lpl lpn lpp lpr lra lrb lri lrn lrp lrr n-i naa nab nae nai nal nan nap nar nba nbb nbe nbi nbl nbn nbp nbr ne- nea neb nee nei nel nen nep ner nia nib nie nii nil nin nip nir nla nlb nle nli nll nln nlp nlr nna nnb nne nni nnl nnn nnp npa npb npe npi npl npn npp npr nra nrb nre nri nrl nrn nrp nrr p-p paa pab pae pai pal pan pap par pba pbb pbe pbi pbl pbn pbp pbr pea peb pee pei pel pen pep per pia pib pie pii pil pin pip pir pla plb ple pli pll pln plp plr pn- pna pnb pne pni pnl pnn pnp pnr ppa ppb ppe ppi ppl ppn ppp ppr pra prb pre pri prl prn prp prr ra- raa rab rae rai ral ran rap rar rba rbb rbe rbi rbl rbn rbp rbr re- rea reb ree rei rel ren rep rer ria rib rie rii ril rin rip rir rla rle rli rll rln rlp rlr rna rnb rni rnn rnp rnr rpa rpb rpe rpi rpl rpn rpp rpr rra rrb rri rrl rrn rrp rrr