-al -ol a-a a-b aaa aab aad aal aao aap aar aas ab- aba abb abd abl abo abp abr abs ad- ada adb add adl ado adp adr ads al- ala alb ald all alo alp alr als aoa aob aod aol aoo aop aor aos ap- apa apb apd apl apo app apr aps ar- ara arb ard arl aro arp arr ars as- asa asb asd asl aso asp asr ass b-p baa bab bad bal bao bap bar bas bba bbb bbd bbl bbo bbp bbr bbs bda bdb bdd bdl bdo bdp bdr bds bla blb bld bll blo blp blr bls boa bob bod bol boo bop bor bos bpa bpb bpd bpl bpo bpp bpr bps bra brb brd brl bro brp brr brs bsa bsb bsd bsl bso bsp bsr bss daa dab dad dal dao dap dar das dba dbb dbd dbl dbo dbp dbr dbs dda ddb ddd ddl ddo ddp ddr dds dl- dla dlb dld dll dlo dlp dlr dls doa dob dod dol doo dop dor dos dpa dpb dpd dpl dpo dpp dpr dps dra drb drd drl dro drp drr drs dsa dsb dsd dsl dso dsp dsr dss l-p la- laa lab lad lal lao lap lar las lba lbb lbd lbl lbo lbp lbr lbs lda ldb ldd ldl ldo ldp ldr lds lla llb lld lll llo llp llr lls loa lob lod lol loo lop lor los lpa lpb lpd lpl lpo lpp lpr lps lra lrb lrd lro lrp lrr lrs lsa lsb lsd lsl lso lsp lsr lss oaa oab oad oal oao oap oar oas ob- oba obb obd obl obo obp obr obs oda odb odd odl odo odp odr ods ola olb old oll olo olp ols oo- ooa oob ood ool ooo oop oor oos op- opa opb opd opl opo opp opr ops or- ora orb ord orl oro orp orr ors os- osa osb osd osl oso osp osr oss p-p paa pab pad pal pao pap par pas pba pbb pbd pbl pbo pbp pbr pbs pda pdb pdd pdl pdo pdp pdr pds pla plb pld pll plo plp plr pls poa pob pod pol poo pop por pos ppa ppb ppd ppl ppo ppp ppr pps pra prb prd prl pro prp prr prs ps- psa psb psd psl pso psp psr pss ra- raa rab rad ral rao rap rar ras rba rbb rbd rbl rbo rbp rbr rbs rda rdb rdd rdl rdo rdp rdr rds rla rld rll rlo rlp rlr rls roa rob rod rol roo rop ror ros rpa rpb rpd rpl rpo rpp rpr rps rra rrb rrd rrl rrp rrr rrs rsa rsb rsd rsl rso rsp rsr rss saa sab sad sal sao sap sar sas sba sbb sbd sbl sbo sbp sbr sbs sda sdb sdd sdl sdo sdp sdr sds sla slb sld sll slo slp slr sls soa sob sod sol soo sop sor sos spa spb spd spl spo spp spr sps sr- sra srb srd srl sro srp srr srs ss- ssa ssb ssd ssl sso ssp ssr sss