-al -er -ol a-a a-b a-c aaa aab aac aad aae aaf aal aam aao aap aar ab- aba abb abc abd abe abf abl abm abo abp abr ac- aca acb acc acd ace acf acl acm aco acp acr ad- ada adb adc add ade adf adl adm ado adp adr aea aeb aec aed aee aef ael aem aeo aep aer af- afa afb afc afd afe aff afl afm afo afp afr al- ala alb alc ald ale alf all alm alo alp alr ama amb amc amd ame amf aml amm amo amp amr aoa aob aoc aod aoe aof aol aom aoo aop aor ap- apa apb apc apd ape apf apl apm apo app apr ar- ara arb arc ard are arf arl arm aro arp arr b-p baa bab bac bad bae baf bal bam bao bap bar bba bbb bbc bbd bbe bbf bbl bbm bbo bbp bbr bca bcb bcc bcd bce bcf bcl bcm bco bcp bcr bda bdb bdc bdd bde bdf bdl bdm bdo bdp bdr be- bea beb bec bed bee bef bel bem beo bep ber bfa bfb bfc bfd bfe bff bfl bfm bfo bfp bfr bla blb blc bld ble blf bll blm blo blp blr bma bmb bmc bmd bme bmf bml bmm bmo bmp bmr boa bob boc bod boe bof bol bom boo bop bor bpa bpb bpc bpd bpe bpf bpl bpm bpo bpp bpr bra brb brd bre brf brl brm bro brp brr c-- caa cab cac cad cae caf cal cam cao cap car cba cbb cbc cbd cbe cbf cbl cbm cbo cbp cbr cca ccb ccc ccd cce ccf ccl ccm cco ccp ccr cda cdb cdc cdd cde cdf cdl cdm cdo cdp cdr ce- cea ceb cec ced cee cef cel cem ceo cep cer cfa cfb cfc cfd cfe cff cfl cfm cfo cfp cfr cl- cla clb clc cld cle clf cll clm clo clp clr cma cmb cmc cmd cme cmf cml cmm cmo cmp cmr co- coa cob coc cod coe cof col com coo cop cor cpa cpb cpc cpd cpe cpf cpl cpm cpo cpp cpr cra crb crc crd cre crf crl crm cro crp crr daa dab dac dad dae daf dal dam dao dap dar dba dbb dbc dbd dbe dbf dbl dbm dbo dbp dbr dca dcb dcc dcd dce dcf dcl dcm dco dcp dcr dda ddb ddc ddd dde ddf ddl ddm ddo ddp ddr de- dea deb dec ded dee def del dem deo dep der dfa dfb dfc dfd dfe dff dfl dfm dfo dfp dfr dl- dla dlb dlc dld dle dlf dll dlm dlo dlp dlr dma dmb dmc dmd dme dmf dml dmm dmo dmp dmr doa dob doc dod doe dof dol dom doo dop dor dpa dpb dpc dpd dpe dpf dpl dpm dpo dpp dpr dra drb drc drd dre drl drm dro drp drr eaa eab eac ead eae eaf eal eam eao eap ear eba ebb ebc ebd ebe ebf ebl ebm ebo ebp ebr ec- eca ecb ecc ecd ece ecf ecl ecm eco ecr ed- eda edb edc edd ede edf edl edm edo edp edr eea eeb eec eed eee eef eel eem eeo eep eer ef- efa efb efc efd efe eff efl efm efo efp efr ela elb elc eld ele elf ell elm elo elp elr em- ema emb emc emd eme emf eml emm emo emp emr eo- eoa eob eoc eod eoe eof eol eom eoo eop eor ep- epa epb epc epd epe epf epl epm epo epp epr era erb erc erd ere erf erl erm ero erp err faa fab fac fad fae faf fal fam fao fap far fba fbb fbc fbd fbe fbf fbl fbm fbo fbp fbr fca fcb fcc fcd fce fcf fcl fcm fco fcp fcr fda fdb fdc fdd fde fdf fdl fdm fdo fdp fdr fea feb fec fed fee fef fel fem feo fep fer ffa ffc ffd ffe fff ffl ffm ffo ffp ffr fla flb flc fld fle flf fll flm flo flp flr fma fmb fmc fmd fme fmf fml fmm fmo fmp fmr foa fob foc foe fof fol fom foo fop for fpa fpb fpc fpd fpe fpl fpm fpo fpp fpr fra frb frc frd fre frf frl frm fro frp frr l-p la- laa lab lac lad lae laf lal lam lao lap lar lba lbb lbc lbd lbe lbf lbl lbm lbo lbp lbr lca lcb lcc lcd lce lcf lcl lcm lco lcp lcr lda ldb ldc ldd lde ldf ldl ldm ldo ldp ldr lea leb lec led lee lef lel lem leo lep ler lfa lfb lfc lfd lfe lff lfl lfm lfo lfp lfr lla llb llc lld lle llf lll llm llo llp llr lma lmb lmc lmd lme lmf lml lmm lmo lmp lmr loa lob loc lod loe lof lol lom loo lop lor lpa lpb lpc lpd lpe lpf lpl lpm lpo lpp lpr lra lrb lrc lrd lrf lrm lro lrp lrr m-f m-o m-r maa mab mac mad mae maf mal mam mao map mar mba mbb mbc mbd mbe mbf mbl mbm mbo mbp mbr mc- mca mcb mcc mcd mce mcf mcl mcm mco mcp mcr mda mdb mdc mdd mde mdf mdl mdm mdo mdp mdr mea meb mec med mee mef mel mem meo mep mer mfa mfb mfc mfd mfe mff mfl mfm mfo mfp mfr mla mlb mlc mld mle mlf mll mlm mlo mlp mlr mma mmb mmc mmd mme mmf mml mmm mmo mmp mmr moa mob moc mod moe mof mol mom moo mop mor mpa mpb mpc mpd mpe mpf mpl mpm mpo mpp mpr mra mrb mrc mrd mre mrf mrl mrm mro mrp mrr oaa oab oac oad oae oaf oal