-al a-a a-b aaa aab aad aal aap aas ab- aba abb abd abl abp abs ad- ada adb add adl adp ads al- ala alb ald all alp als ap- apa apb apd apl app aps as- asa asb asd asl asp ass b-p baa bab bad bal bap bas bba bbb bbd bbl bbp bbs bda bdb bdd bdl bdp bds bla blb bld bll blp bls bpa bpb bpd bpl bpp bps bsa bsb bsd bsl bsp bss daa dab dad dal dap das dba dbb dbd dbl dbp dbs dda ddb ddd ddl ddp dds dl- dla dlb dld dll dlp dls dpa dpb dpd dpl dpp dps dsa dsb dsd dsl dsp dss l-p la- laa lab lad lal lap las lba lbb lbd lbl lbp lbs lda ldb ldd ldl ldp lds lla llb lld lll llp lls lpa lpb lpd lpl lpp lps lsa lsb lsd lsl lsp lss p-p paa pab pad pal pap pas pba pbb pbd pbl pbp pbs pda pdb pdd pdl pdp pds pla plb pld pll plp pls ppa ppb ppd ppl ppp pps ps- psa psb psd psl psp pss saa sab sad sal sap sas sba sbb sbd sbl sbp sbs sda sdb sdd sdl sdp sds sla slb sld sll slp sls spa spb spd spl spp sps ss- ssa ssb ssd ssl ssp sss