-al a-a a-b a-i aaa aab aad aae aai aal aap aas ab- aba abb abd abe abi abl abp abs ad- ada adb add ade adi adl adp ads aea aeb aed aee aei ael aep aes ai- aia aib aid aie aii ail aip ais al- ala alb ald ale ali all alp als ap- apa apb apd ape api apl app aps as- asa asb asd ase asi asl asp ass b-p baa bab bad bae bai bal bap bas bba bbb bbd bbe bbi bbl bbp bbs bda bdb bdd bde bdi bdl bdp bds be- bea beb bed bee bei bel bep bes bi- bia bib bid bie bii bil bip bis bla blb bld ble bli bll blp bls bpa bpb bpd bpe bpi bpl bpp bps bsa bsb bsd bse bsi bsl bsp bss daa dab dad dae dai dal dap das dba dbb dbd dbe dbi dbl dbp dbs dda ddb ddd dde ddi ddl ddp dds de- dea deb ded dee dei del dep des di- dia dib did die dii dil dip dis dl- dla dlb dld dle dli dll dlp dls dpa dpb dpd dpe dpi dpl dpp dps dsa dsb dsd dse dsi dsl dsp dss eaa eab ead eae eai eal eap eas eba ebb ebd ebe ebi ebl ebp ebs ed- eda edb edd ede edi edl edp eds eea eeb eed eee eel eep ees eia eib eid eie eii eil eip eis ela elb eld ele eli ell elp els ep- epa epb epd epe epi epl epp eps es- esa esb esd ese esi esl esp ess i-d ia- iaa iab iad iae iai ial iap ias iba ibb ibd ibe ibi ibl ibp ibs ida idb idd ide idi idl idp ids ie- iea ied iee iei iel iep ies iia iib iid iie iii iil iip iis il- ila ilb ild ile ili ill ilp ils ipa ipb ipd ipe ipi ipl ipp ips is- isa isb isd ise isi isl isp iss l-p la- laa lab lad lae lai lal lap las lba lbb lbd lbe lbi lbl lbp lbs lda ldb ldd lde ldi ldl ldp lds lea leb led lee lei lel lep les lia lib lid lie lii lil lip lis lla llb lld lle lli lll llp lls lpa lpb lpd lpe lpi lpl lpp lps lsa lsb lsd lse lsi lsl lsp lss p-p paa pab pad pae pai pal pap pas pba pbb pbd pbe pbi pbl pbp pbs pda pdb pdd pde pdi pdl pdp pds pea peb ped pee pei pel pep pes pia pib pid pie pii pil pip pis pla plb pld ple pli pll plp pls ppa ppb ppd ppe ppi ppl ppp pps ps- psa psb psd pse psi psl psp pss saa sab sad sae sai sal sap sas sba sbb sbd sbe sbi sbl sbp sbs sda sdb sdd sde sdi sdl sdp sds se- sea seb sed see sei sel sep ses sia sib sid sie sii sil sip sis sla slb sld sle sli sll slp sls spa spb spd spe spi spl spp sps ss- ssa ssb ssd sse ssi ssl ssp sss