-al -er -ol a-a a-b a-t aaa aab aae aaf aal aam aao aar aat ab- aba abb abe abf abl abm abo abr abt aea aeb aee aef ael aem aeo aer aet af- afa afb afe aff afl afm afo afr aft al- ala alb ale alf all alm alo alr alt ama amb ame amf aml amm amo amr amt aoa aob aoe aof aol aom aoo aor aot ar- ara arb are arf arl arm aro arr art at- ata atb ate atf atl atm ato atr att baa bab bae baf bal bam bao bar bat bba bbb bbe bbf bbl bbm bbo bbr bbt be- bea beb bee bef bel bem beo ber bet bfa bfb bfe bff bfl bfm bfo bfr bft bla blb ble blf bll blm blo blr blt bma bmb bme bmf bml bmm bmo bmr bmt boa bob boe bof bol bom boo bor bot bra brb bre brf brl brm bro brr brt bta btb bte btf btl btm bto btr btt eaa eab eae eaf eal eam eao ear eat eba ebb ebe ebf ebl ebm ebo ebr ebt eea eeb eee eef eel eem eeo eer eet ef- efa efb efe eff efl efm efo efr eft ela elb ele elf ell elm elo elr elt em- ema emb eme emf eml emm emo emr emt eo- eoa eob eoe eof eol eom eoo eor eot era erb ere erf erl erm ero err ert eta etb ete etf etl etm eto etr ett faa fab fae faf fal fam fao far fat fba fbb fbe fbf fbl fbm fbo fbr fbt fea feb fee fef fel fem feo fer fet ffa ffe fff ffl ffm ffo ffr fft fla flb fle flf fll flm flo flr flt fma fmb fme fmf fml fmm fmo fmr fmt foa fob foe fof fol fom foo for fot fra frb fre frf frl frm fro frr frt fta ftb fte ftf ftl ftm fto ftr ftt la- laa lab lae laf lal lam lao lar lat lba lbb lbe lbf lbl lbm lbo lbr lbt lea leb lee lef lel lem leo ler let lfa lfb lfe lff lfl lfm lfo lfr lft lla llb lle llf lll llm llo llr llt lma lmb lme lmf lml lmm lmo lmr lmt loa lob loe lof lol lom loo lor lot lra lrb lrf lrm lro lrr lrt lta ltb lte ltf ltl ltm lto ltr ltt m-f m-o m-r maa mab mae maf mal mam mao mar mat mba mbb mbe mbf mbl mbm mbo mbr mbt mea meb mee mef mel mem meo mer met mfa mfb mfe mff mfl mfm mfo mfr mft mla mlb mle mlf mll mlm mlo mlr mlt mma mmb mme mmf mml mmm mmo mmr mmt moa mob moe mof mol mom moo mor mot mra mrb mre mrf mrl mrm mro mrr mrt mta mtb mte mtf mtl mtm mto mtr mtt oaa oab oae oaf oal oam oao oar oat ob- oba obb obe obf obl obm obo obr obt oea oeb oee oef oel oem oeo oer oet of- ofa ofb ofe off ofl ofm ofo ofr oft ola olb ole olf oll olm olo olt om- oma omb ome omf oml omm omo omr omt oo- ooa oob oof ool oom ooo oor oot or- ora orb ore orf orl orm oro orr ort ot- ota otb ote otf otl otm oto otr ott ra- raa rab rae raf ral ram rao rar rat rba rbb rbe rbf rbl rbm rbo rbr rbt re- rea reb ree ref rel rem reo rer ret rfa rfb rfe rff rfl rfm rfo rfr rft rla rle rlf rll rlm rlo rlr rlt rma rmb rme rmf rml rmm rmo rmr rmt roa rob roe rof rol rom roo ror rot rra rrb rrf rrl rrm rrr rrt rta rtb rte rtf rtl rtm rto rtr rtt taa tab tae taf tal tam tao tar tat tba tbb tbe tbf tbl tbm tbo tbr tbt te- tea teb tee tef tel tem teo ter tet tfa tfb tfe tff tfl tfm tfo tfr tft tla tle tlf tll tlm tlo tlr tlt tma tmb tme tmf tml tmm tmo tmr tmt to- toa tob toe tof tol tom too tor tot tra trb tre trf trl trm tro trr trt tta ttb tte ttf ttl ttm tto ttr ttt