-al a-a a-b aaa aab aad aaf aal aam aar aas ab- aba abb abd abf abl abm abr abs ad- ada adb add adf adl adm adr ads af- afa afb afd aff afl afm afr afs al- ala alb ald alf all alm alr als ama amb amd amf aml amm amr ams ar- ara arb ard arf arl arm arr ars as- asa asb asd asf asl asm asr ass baa bab bad baf bal bam bar bas bba bbb bbd bbf bbl bbm bbr bbs bda bdb bdd bdf bdl bdm bdr bds bfa bfb bfd bff bfl bfm bfr bfs bla blb bld blf bll blm blr bls bma bmb bmd bmf bml bmm bmr bms bra brb brd brf brl brm brr brs bsa bsb bsd bsf bsl bsm bsr bss daa dab dad daf dal dam dar das dba dbb dbd dbf dbl dbm dbr dbs dda ddb ddd ddf ddl ddm ddr dds dfa dfb dfd dff dfl dfm dfr dfs dl- dla dlb dld dlf dll dlm dlr dls dma dmb dmd dmf dml dmm dmr dms dra drb drd drl drm drr drs dsa dsb dsd dsf dsl dsm dsr dss faa fab fad faf fal fam far fas fba fbb fbd fbf fbl fbm fbr fbs fda fdb fdd fdf fdl fdm fdr fds ffa ffd fff ffl ffm ffr ffs fla flb fld flf fll flm flr fls fma fmb fmd fmf fml fmm fmr fms fra frb frd frf frl frm frr frs fsa fsb fsd fsf fsl fsm fsr fss la- laa lab lad laf lal lam lar las lba lbb lbd lbf lbl lbm lbr lbs lda ldb ldd ldf ldl ldm ldr lds lfa lfb lfd lff lfl lfm lfr lfs lla llb lld llf lll llm llr lls lma lmb lmd lmf lml lmm lmr lms lra lrb lrd lrf lrm lrr lrs lsa lsb lsd lsf lsl lsm lsr lss m-f m-r maa mab mad maf mal mam mar mas mba mbb mbd mbf mbl mbm mbr mbs mda mdb mdd mdf mdl mdm mdr mds mfa mfb mfd mff mfl mfm mfr mfs mla mlb mld mlf mll mlm mlr mls mma mmb mmd mmf mml mmm mmr mms mra mrb mrd mrf mrl mrm mrr mrs msa msb msd msf msl msm msr mss ra- raa rab rad raf ral ram rar ras rba rbb rbd rbf rbl rbm rbr rbs rda rdb rdd rdf rdl rdm rdr rds rfa rfb rfd rff rfl rfm rfr rfs rla rld rlf rll rlm rlr rls rma rmb rmd rmf rml rmm rmr rms rra rrb rrd rrf rrl rrm rrr rrs rsa rsb rsd rsf rsl rsm rsr rss saa sab sad saf sal sam sar sas sba sbb sbd sbf sbl sbm sbr sbs sda sdb sdd sdf sdl sdm sdr sds sfa sfb sfd sff sfl sfm sfr sfs sla slb sld slf sll slm slr sls sma smb smd smf sml smm smr sms sr- sra srb srd srf srl srm srr srs ss- ssa ssb ssd ssf ssl ssm ssr sss