-al a-a a-b a-i aaa aab aad aae aaf aai aal aap ab- aba abb abd abe abf abi abl abp ad- ada adb add ade adf adi adl adp aea aeb aed aee aef aei ael aep af- afa afb afd afe aff afi afl afp ai- aia aib aid aie aif aii ail aip al- ala alb ald ale alf ali all alp ap- apa apb apd ape apf api apl app b-p baa bab bad bae baf bai bal bap bba bbb bbd bbe bbf bbi bbl bbp bda bdb bdd bde bdf bdi bdl bdp be- bea beb bed bee bef bei bel bep bfa bfb bfd bfe bff bfi bfl bfp bi- bia bib bid bie bif bii bil bip bla blb bld ble blf bli bll blp bpa bpb bpd bpe bpf bpi bpl bpp daa dab dad dae daf dai dal dap dba dbb dbd dbe dbf dbi dbl dbp dda ddb ddd dde ddf ddi ddl ddp de- dea deb ded dee def dei del dep dfa dfb dfd dfe dff dfi dfl dfp di- dia dib did die dif dii dil dip dl- dla dlb dld dle dlf dli dll dlp dpa dpb dpd dpe dpf dpi dpl dpp eaa eab ead eae eaf eai eal eap eba ebb ebd ebe ebf ebi ebl ebp ed- eda edb edd ede edf edi edl edp eea eeb eed eee eef eel eep ef- efa efb efd efe eff efi efl efp eia eib eid eie eif eii eil eip ela elb eld ele elf eli ell elp ep- epa epb epd epe epf epi epl epp faa fab fad fae faf fai fal fap fba fbb fbd fbe fbf fbi fbl fbp fda fdb fdd fde fdf fdi fdl fdp fea feb fed fee fef fei fel fep ffa ffd ffe fff ffi ffl ffp fia fib fid fie fif fii fil fip fla flb fld fle flf fli fll flp fpa fpb fpd fpe fpi fpl fpp i-d i-f ia- iaa iab iad iae iaf iai ial iap iba ibb ibd ibe ibf ibi ibl ibp ida idb idd ide idf idi idl idp ie- iea ied iee ief iei iel iep ifa ifb ifd ife iff ifi ifl ifp iia iib iid iie iif iii iil iip il- ila ilb ild ile ilf ili ill ilp ipa ipb ipd ipe ipf ipi ipl ipp l-p la- laa lab lad lae laf lai lal lap lba lbb lbd lbe lbf lbi lbl lbp lda ldb ldd lde ldf ldi ldl ldp lea leb led lee lef lei lel lep lfa lfb lfd lfe lff lfi lfl lfp lia lib lid lie lif lii lil lip lla llb lld lle llf lli lll llp lpa lpb lpd lpe lpf lpi lpl lpp p-p paa pab pad pae paf pai pal pap pba pbb pbd pbe pbf pbi pbl pbp pda pdb pdd pde pdf pdi pdl pdp pea peb ped pee pef pei pel pep pfa pfb pfd pfe pff pfi pfl pfp pia pib pid pie pif pii pil pip pla plb pld ple plf pli pll plp ppa ppb ppd ppe ppf ppi ppl ppp