-al -er -ol a-a a-b aaa aab aae aaf aal aam aao aap aar ab- aba abb abe abf abl abm abo abp abr aea aeb aee aef ael aem aeo aep aer af- afa afb afe aff afl afm afo afp afr al- ala alb ale alf all alm alo alp alr ama amb ame amf aml amm amo amp amr aoa aob aoe aof aol aom aoo aop aor ap- apa apb ape apf apl apm apo app apr ar- ara arb are arf arl arm aro arp arr b-p baa bab bae baf bal bam bao bap bar bba bbb bbe bbf bbl bbm bbo bbp bbr be- bea beb bee bef bel bem beo bep ber bfa bfb bfe bff bfl bfm bfo bfp bfr bla blb ble blf bll blm blo blp blr bma bmb bme bmf bml bmm bmo bmp bmr boa bob boe bof bol bom boo bop bor bpa bpb bpe bpf bpl bpm bpo bpp bpr bra brb bre brf brl brm bro brp brr eaa eab eae eaf eal eam eao eap ear eba ebb ebe ebf ebl ebm ebo ebp ebr eea eeb eee eef eel eem eeo eep eer ef- efa efb efe eff efl efm efo efp efr ela elb ele elf ell elm elo elp elr em- ema emb eme emf eml emm emo emp emr eo- eoa eob eoe eof eol eom eoo eop eor ep- epa epb epe epf epl epm epo epp epr era erb ere erf erl erm ero erp err faa fab fae faf fal fam fao fap far fba fbb fbe fbf fbl fbm fbo fbp fbr fea feb fee fef fel fem feo fep fer ffa ffe fff ffl ffm ffo ffp ffr fla flb fle flf fll flm flo flp flr fma fmb fme fmf fml fmm fmo fmp fmr foa fob foe fof fol fom foo fop for fpa fpb fpe fpl fpm fpo fpp fpr fra frb fre frf frl frm fro frp frr l-p la- laa lab lae laf lal lam lao lap lar lba lbb lbe lbf lbl lbm lbo lbp lbr lea leb lee lef lel lem leo lep ler lfa lfb lfe lff lfl lfm lfo lfp lfr lla llb lle llf lll llm llo llp llr lma lmb lme lmf lml lmm lmo lmp lmr loa lob loe lof lol lom loo lop lor lpa lpb lpe lpf lpl lpm lpo lpp lpr lra lrb lrf lrm lro lrp lrr m-f m-o m-r maa mab mae maf mal mam mao map mar mba mbb mbe mbf mbl mbm mbo mbp mbr mea meb mee mef mel mem meo mep mer mfa mfb mfe mff mfl mfm mfo mfp mfr mla mlb mle mlf mll mlm mlo mlp mlr mma mmb mme mmf mml mmm mmo mmp mmr moa mob moe mof mol mom moo mop mor mpa mpb mpe mpf mpl mpm mpo mpp mpr mra mrb mre mrf mrl mrm mro mrp mrr oaa oab oae oaf oal oam oao oap oar ob- oba obb obe obf obl obm obo obp obr oea oeb oee oef oel oem oeo oep oer of- ofa ofb ofe off ofl ofm ofo ofp ofr ola olb ole olf oll olm olo olp om- oma omb ome omf oml omm omo omp omr oo- ooa oob oof ool oom ooo oop oor op- opa opb ope opf opl opm opo opp opr or- ora orb ore orf orl orm oro orp orr p-p paa pab pae paf pal pam pao pap par pba pbb pbe pbf pbl pbm pbo pbp pbr pea peb pee pef pel pem peo pep per pfa pfb pfe pff pfl pfm pfo pfp pfr pla plb ple plf pll plm plo plp plr pma pmb pme pmf pml pmm pmo pmp pmr poa pob poe pof pol pom poo pop por ppa ppb ppe ppf ppl ppm ppo ppp ppr pra prb pre prf prl prm pro prp prr ra- raa rab rae raf ral ram rao rap rar rba rbb rbe rbf rbl rbm rbo rbp rbr re- rea reb ree ref rel rem reo rep rer rfa rfb rfe rff rfl rfm rfo rfp rfr rla rle rlf rll rlm rlo rlp rlr rma rmb rme rmf rml rmm rmo rmp rmr roa rob roe rof rol rom roo rop ror rpa rpb rpe rpf rpl rpm rpo rpp rpr rra rrb rrf rrl rrm rrp rrr