-al a-a a-b a-i aaa aab aad aai aal aap aar aas ab- aba abb abd abi abl abp abr abs ad- ada adb add adi adl adp adr ads ai- aia aib aid aii ail aip air ais al- ala alb ald ali all alp alr als ap- apa apb apd api apl app apr aps ar- ara arb ard ari arl arp arr ars as- asa asb asd asi asl asp asr ass b-p baa bab bad bai bal bap bar bas bba bbb bbd bbi bbl bbp bbr bbs bda bdb bdd bdi bdl bdp bdr bds bi- bia bib bid bii bil bip bir bis bla blb bld bli bll blp blr bls bpa bpb bpd bpi bpl bpp bpr bps bra brb brd bri brl brp brr brs bsa bsb bsd bsi bsl bsp bsr bss daa dab dad dai dal dap dar das dba dbb dbd dbi dbl dbp dbr dbs dda ddb ddd ddi ddl ddp ddr dds di- dia dib did dii dil dip dir dis dl- dla dlb dld dli dll dlp dlr dls dpa dpb dpd dpi dpl dpp dpr dps dra drb drd dri drl drp drr drs dsa dsb dsd dsi dsl dsp dsr dss i-d ia- iaa iab iad iai ial iap iar ias iba ibb ibd ibi ibl ibp ibr ibs ida idb idd idi idl idp idr ids iia iib iid iii iil iip iir iis il- ila ilb ild ili ill ilp ilr ils ipa ipb ipd ipi ipl ipp ipr ips ir- ira irb ird iri irl irp irr irs is- isa isb isd isi isl isp isr iss l-p la- laa lab lad lai lal lap lar las lba lbb lbd lbi lbl lbp lbr lbs lda ldb ldd ldi ldl ldp ldr lds lia lib lid lii lil lip lir lis lla llb lld lli lll llp llr lls lpa lpb lpd lpi lpl lpp lpr lps lra lrb lrd lri lrp lrr lrs lsa lsb lsd lsi lsl lsp lsr lss p-p paa pab pad pai pal pap par pas pba pbb pbd pbi pbl pbp pbr pbs pda pdb pdd pdi pdl pdp pdr pds pia pib pid pii pil pip pir pis pla plb pld pli pll plp plr pls ppa ppb ppd ppi ppl ppp ppr pps pra prb prd pri prl prp prr prs ps- psa psb psd psi psl psp psr pss ra- raa rab rad rai ral rap rar ras rba rbb rbd rbi rbl rbp rbr rbs rda rdb rdd rdi rdl rdp rdr rds ria rib rid rii ril rip rir ris rla rld rli rll rlp rlr rls rpa rpb rpd rpi rpl rpp rpr rps rra rrb rrd rri rrl rrp rrr rrs rsa rsb rsd rsi rsl rsp rsr rss saa sab sad sai sal sap sar sas sba sbb sbd sbi sbl sbp sbr sbs sda sdb sdd sdi sdl sdp sdr sds sia sib sid sii sil sip sir sis sla slb sld sli sll slp slr sls spa spb spd spi spl spp spr sps sr- sra srb srd sri srl srp srr srs ss- ssa ssb ssd ssi ssl ssp ssr sss