-al -er -ol a-a a-b a-i aaa aab aae aaf aai aal aam aao aap aar ab- aba abb abe abf abi abl abm abo abp abr aea aeb aee aef aei ael aem aeo aep aer af- afa afb afe aff afi afl afm afo afp afr ai- aia aib aie aif aii ail aim aio aip air al- ala alb ale alf ali all alm alo alp alr ama amb ame amf ami aml amm amo amp amr aoa aob aoe aof aoi aol aom aoo aop aor ap- apa apb ape apf api apl apm apo app apr ar- ara arb are arf ari arl arm aro arp arr b-p baa bab bae baf bai bal bam bao bap bar bba bbb bbe bbf bbi bbl bbm bbo bbp bbr be- bea beb bee bef bei bel bem beo bep ber bfa bfb bfe bff bfi bfl bfm bfo bfp bfr bi- bia bib bie bif bii bil bim bio bip bir bla blb ble blf bli bll blm blo blp blr bma bmb bme bmf bmi bml bmm bmo bmp bmr boa bob boe bof boi bol bom boo bop bor bpa bpb bpe bpf bpi bpl bpm bpo bpp bpr bra brb bre brf bri brl brm bro brp brr eaa eab eae eaf eai eal eam eao eap ear eba ebb ebe ebf ebi ebl ebm ebo ebp ebr eea eeb eee eef eel eem eeo eep eer ef- efa efb efe eff efi efl efm efo efp efr eia eib eie eif eii eil eim eio eip eir ela elb ele elf eli ell elm elo elp elr em- ema emb eme emf emi eml emm emo emp emr eo- eoa eob eoe eof eoi eol eom eoo eop eor ep- epa epb epe epf epi epl epm epo epp epr era erb ere erf eri erl erm ero erp err faa fab fae faf fai fal fam fao fap far fba fbb fbe fbf fbi fbl fbm fbo fbp fbr fea feb fee fef fei fel fem feo fep fer ffa ffe fff ffi ffl ffm ffo ffp ffr fia fib fie fif fii fil fim fip fir fla flb fle flf fli fll flm flo flp flr fma fmb fme fmf fmi fml fmm fmo fmp fmr foa fob foe fof foi fol fom foo fop for fpa fpb fpe fpi fpl fpm fpo fpp fpr fra frb fre frf fri frl frm fro frp frr i-f ia- iaa iab iae iaf iai ial iam iao iap iar iba ibb ibe ibf ibi ibl ibm ibo ibp ibr ie- iea iee ief iei iel iem iep ier ifa ifb ife iff ifi ifl ifm ifo ifp ifr iia iib iie iif iii iil iim iio iip iir il- ila ilb ile ilf ili ill ilm ilo ilp ilr im- ima imb ime imf imi iml imm imo imp io- ioa iob ioe iof ioi iol iom ioo iop ior ipa ipb ipe ipf ipi ipl ipm ipo ipp ipr ir- ira irb ire irf iri irl irm iro irp irr l-p la- laa lab lae laf lai lal lam lao lap lar lba lbb lbe lbf lbi lbl lbm lbo lbp lbr lea leb lee lef lei lel lem leo lep ler lfa lfb lfe lff lfi lfl lfm lfo lfp lfr lia lib lie lif lii lil lim lio lip lir lla llb lle llf lli lll llm llo llp llr lma lmb lme lmf lmi lml lmm lmo lmp lmr loa lob loe lof loi lol lom loo lop lor lpa lpb lpe lpf lpi lpl lpm lpo lpp lpr lra lrb lrf lri lrm lro lrp lrr m-f m-o m-r maa mab mae maf mai mal mam mao map mar mba mbb mbe mbf mbi mbl mbm mbo mbp mbr mea meb mee mef mei mel mem meo mep mer mfa mfb mfe mff mfi mfl mfm mfo mfp mfr mi- mia mib mie mif mii mil mim mio mip mir mla mlb mle mlf mli mll mlm mlo mlp mlr mma mmb mme mmf mmi mml mmm mmo mmp mmr moa mob moe mof moi mol mom moo mop mor mpa mpb mpe mpf mpi mpl mpm mpo mpp mpr mra mrb mre mrf mri mrl mrm mro mrp mrr o-i oaa oab oae oaf oai oal oam oao oap oar ob- oba obb obe obf obi obl obm obo obp obr oea oeb oee oef oei oel oem oeo oep oer of- ofa ofb ofe off ofi ofl ofm ofo ofp ofr oia oib oie oif oii oil oim oio oip oir ola olb ole olf oli oll olm olo olp om- oma omb ome omf omi oml omm omo omp omr oo- ooa oob oof ooi ool oom ooo oop oor op- opa opb ope opf opi opl opm opo opp opr or- ora orb ore orf ori orl orm oro orp orr p-p paa pab pae paf pai pal pam pao pap par pba pbb pbe pbf pbi pbl pbm pbo pbp pbr pea peb pee pef pei pel pem peo pep per pfa pfb pfe pff pfi pfl pfm pfo pfp pfr pia pib pie pif pii pil pim pio pip pir pla plb ple plf pli pll plm plo plp plr pma pmb pme pmf pmi pml pmm pmo pmp pmr poa pob poe pof poi pol pom poo pop por ppa ppb ppe ppf ppi ppl ppm ppo ppp ppr pra prb pre prf pri prl prm pro prp prr ra- raa rab rae raf rai ral ram rao rap rar rba rbb rbe rbf rbi rbl rbm rbo rbp rbr re- rea reb ree ref rei rel rem reo rep rer rfa rfb rfe rff rfi rfl rfm rfo rfp rfr ria rib rie rif rii ril rim rio rip rir rla rle rlf rli rll rlm rlo rlp rlr rma rmb rme rmf rmi rml rmm rmo rmp rmr