-al a-a a-b a-i aaa aab aad aae aai aal aan aap ab- aba abb abd abe abi abl abn abp ad- ada adb add ade adi adl adn adp aea aeb aed aee aei ael aen aep ai- aia aib aid aie aii ail ain aip al- ala alb ald ale ali all aln alp an- ana anb and ane ani anl ann anp ap- apa apb apd ape api apl apn app b-p baa bab bad bae bai bal ban bap bba bbb bbd bbe bbi bbl bbn bbp bda bdb bdd bde bdi bdl bdp be- bea beb bed bee bei bel ben bep bi- bia bib bid bie bii bil bin bip bla blb bld ble bli bll bln blp bna bnb bnd bne bni bnl bnn bnp bpa bpb bpd bpe bpi bpl bpn bpp daa dab dad dae dai dal dan dap dba dbb dbd dbe dbi dbl dbn dbp dda ddb ddd dde ddi ddl ddn ddp de- dea deb ded dee dei del den dep di- dia dib did die dii dil din dip dl- dla dlb dld dle dli dll dlp dna dnb dnd dne dni dnl dnn dnp dpa dpb dpd dpe dpi dpl dpn dpp eaa eab ead eae eai eal ean eap eba ebb ebd ebe ebi ebl ebn ebp ed- eda edb edd ede edi edl edn edp eea eeb eed eee eel een eep eia eib eid eie eii eil ein eip ela elb eld ele eli ell eln elp en- ena enb end ene eni enl enn enp ep- epa epb epd epe epi epl epn epp i-d ia- iaa iab iad iae iai ial ian iap iba ibb ibd ibe ibi ibl ibn ibp ida idb idd ide idi idl idn idp ie- iea ied iee iei iel ien iep iia iib iid iie iii iil iin iip il- ila ilb ild ile ili ill iln ilp in- ina inb ind ine ini inl inn inp ipa ipb ipd ipe ipi ipl ipn ipp l-p la- laa lab lad lae lai lal lan lap lba lbb lbd lbe lbi lbl lbp lda ldb ldd lde ldi ldl ldn ldp lea leb led lee lei lel len lep lia lib lid lie lii lil lin lip lla llb lld lle lli lll lln llp lna lnb lnd lne lni lnl lnn lnp lpa lpb lpd lpe lpi lpl lpn lpp n-i naa nab nad nae nai nal nan nap nba nbb nbd nbe nbi nbl nbn nbp nda ndb ndd nde ndi ndl ndn ndp ne- nea neb ned nee nei nel nen nep nia nib nid nie nii nil nin nip nla nlb nld nle nli nll nln nlp nna nnb nne nni nnl nnn nnp npa npb npd npe npi npl npn npp p-p paa pab pad pae pai pal pan pap pba pbb pbd pbe pbi pbl pbn pbp pda pdb pdd pde pdi pdl pdn pdp pea peb ped pee pei pel pen pep pia pib pid pie pii pil pin pip pla plb pld ple pli pll pln plp pn- pna pnb pnd pne pni pnl pnn pnp ppa ppb ppd ppe ppi ppl ppn ppp