-al -ol a-a a-b a-c a-t aaa aab aac aae aal aam aao aap aat ab- aba abb abc abe abl abm abo abp abt ac- aca acb acc ace acl acm aco acp act aea aeb aec aee ael aem aeo aep aet al- ala alb alc ale all alm alo alp alt ama amb amc ame aml amm amo amp amt aoa aob aoc aoe aol aom aoo aop aot ap- apa apb apc ape apl apm apo app apt at- ata atb atc ate atl atm ato atp att b-p baa bab bac bae bal bam bao bap bat bba bbb bbc bbe bbl bbm bbo bbp bbt bca bcb bcc bce bcl bcm bco bcp bct be- bea beb bec bee bel bem beo bep bet bla blb blc ble bll blm blo blp blt bma bmb bmc bme bml bmm bmo bmp bmt boa bob boc boe bol bom boo bop bot bpa bpb bpc bpe bpl bpm bpo bpp bpt bta btb btc bte btl btm bto btp btt c-- caa cab cac cae cal cam cao cap cat cba cbb cbc cbe cbl cbm cbo cbp cbt cca ccb ccc cce ccl ccm cco ccp cct ce- cea ceb cec cee cel cem ceo cep cet cl- cla clb clc cle cll clm clo clp clt cma cmb cmc cme cml cmm cmo cmp cmt co- coa cob coc coe col com coo cop cot cpa cpb cpc cpe cpl cpm cpo cpp cpt cta ctb ctc cte ctl ctm cto ctp ctt eaa eab eac eae eal eam eao eap eat eba ebb ebc ebe ebl ebm ebo ebp ebt ec- eca ecb ecc ece ecl ecm eco ect eea eeb eec eee eel eem eeo eep eet ela elb elc ele ell elm elo elp elt em- ema emb emc eme eml emm emo emp emt eo- eoa eob eoc eoe eol eom eoo eop eot ep- epa epb epc epe epl epm epo epp ept eta etb etc ete etl etm eto etp ett l-p la- laa lab lac lae lal lam lao lap lat lba lbb lbc lbe lbl lbm lbo lbp lbt lca lcb lcc lce lcl lcm lco lcp lct lea leb lec lee lel lem leo lep let lla llb llc lle lll llm llo llp llt lma lmb lmc lme lml lmm lmo lmp lmt loa lob loc loe lol lom loo lop lot lpa lpb lpc lpe lpl lpm lpo lpp lpt lta ltb ltc lte ltl ltm lto ltp ltt m-o maa mab mac mae mal mam mao map mat mba mbb mbc mbe mbl mbm mbo mbp mbt mc- mca mcb mcc mce mcl mcm mco mcp mct mea meb mec mee mel mem meo mep met mla mlb mlc mle mll mlm mlo mlp mlt mma mmb mmc mme mml mmm mmo mmp mmt moa mob moc moe mol mom moo mop mot mpa mpb mpc mpe mpl mpm mpo mpp mpt mta mtb mtc mte mtl mtm mto mtp mtt oaa oab oac oae oal oam oao oap oat ob- oba obb obc obe obl obm obo obp obt oc- oca ocb occ ocl ocm oco ocp oct oea oeb oec oee oel oem oeo oep oet ola olb olc ole oll olm olo olp olt om- oma omb omc ome oml omm omo omp omt oo- ooa oob ooc ool oom ooo oop oot op- opa opb opc ope opl opm opo opp opt ot- ota otb otc ote otl otm oto otp ott p-p paa pab pac pae pal pam pao pap pat pba pbb pbc pbe pbl pbm pbo pbp pbt pca pcb pcc pce pcl pcm pco pcp pct pea peb pec pee pel pem peo pep pet pla plb plc ple pll plm plo plp plt pma pmb pmc pme pml pmm pmo pmp pmt poa pob poc poe pol pom poo pop pot ppa ppb ppc ppe ppl ppm ppo ppp ppt pt- pta ptb ptc pte ptl ptm pto ptp ptt taa tab tac tae tal tam tao tap tat tba tbb tbc tbe tbl tbm tbo tbp tbt tca tcb tcc tce tcl tcm tco tcp tct te- tea teb tec tee tel tem teo tep tet tla tlc tle tll tlm tlo tlp tlt tma tmb tmc tme tml tmm tmo tmp tmt to- toa tob toc toe tol tom too top tot tpa tpb tpc tpe tpl tpm tpo tpp tpt tta ttb ttc tte ttl ttm tto ttp ttt