-al -ol a-a a-b a-c a-t aaa aab aac aae aal aam aan aao aap aat ab- aba abb abc abe abl abm abn abo abp abt ac- aca acb acc ace acl acm acn aco acp act aea aeb aec aee ael aem aen aeo aep aet al- ala alb alc ale all alm aln alo alp alt ama amb amc ame aml amm amn amo amp amt an- ana anb anc ane anl anm ann ano anp ant aoa aob aoc aoe aol aom aon aoo aop aot ap- apa apb apc ape apl apm apn apo app apt at- ata atb atc ate atl atm atn ato atp att b-p baa bab bac bae bal bam ban bao bap bat bba bbb bbc bbe bbl bbm bbn bbo bbp bbt bca bcb bcc bce bcl bcm bcn bco bcp bct be- bea beb bec bee bel bem ben beo bep bet bla blb blc ble bll blm bln blo blp blt bma bmb bmc bme bml bmm bmn bmo bmp bmt bna bnb bnc bne bnl bnn bno bnp bnt boa bob boc boe bol bom bon boo bop bot bpa bpb bpc bpe bpl bpm bpn bpo bpp bpt bta btb btc bte btl btm btn bto btp btt c-- caa cab cac cae cal cam can cao cap cat cba cbb cbc cbe cbl cbm cbn cbo cbp cbt cca ccb ccc cce ccl ccm ccn cco ccp cct ce- cea ceb cec cee cel cem cen ceo cep cet cl- cla clb clc cle cll clm cln clo clp clt cma cmb cmc cme cml cmm cmn cmo cmp cmt cn- cna cnb cnc cne cnl cnm cnn cno cnp cnt co- coa cob coc coe col com con coo cop cot cpa cpb cpc cpe cpl cpm cpn cpo cpp cpt cta ctb ctc cte ctl ctm ctn cto ctp ctt eaa eab eac eae eal eam ean eao eap eat eba ebb ebc ebe ebl ebm ebn ebo ebp ebt ec- eca ecb ecc ece ecl ecm ecn eco ect eea eeb eec eee eel eem een eeo eep eet ela elb elc ele ell elm eln elo elp elt em- ema emb emc eme eml emm emn emo emp emt en- ena enb enc ene enl enm enn eno enp ent eo- eoa eob eoc eoe eol eom eon eoo eop eot ep- epa epb epc epe epl epm epn epo epp ept eta etb etc ete etl etm etn eto etp ett l-p la- laa lab lac lae lal lam lan lao lap lat lba lbb lbc lbe lbl lbm lbo lbp lbt lca lcb lcc lce lcl lcm lcn lco lcp lct lea leb lec lee lel lem len leo lep let lla llb llc lle lll llm lln llo llp llt lma lmb lmc lme lml lmm lmn lmo lmp lmt lna lnb lnc lne lnl lnm lnn lno lnp lnt loa lob loc loe lol lom lon loo lop lot lpa lpb lpc lpe lpl lpm lpn lpo lpp lpt lta ltb ltc lte ltl ltm lto ltp ltt m-o maa mab mac mae mal mam man mao map mat mba mbb mbc mbe mbl mbm mbo mbp mbt mc- mca mcb mcc mce mcl mcm mcn mco mcp mct mea meb mec mee mel mem men meo mep met mla mlb mlc mle mll mlm mln mlo mlp mlt mma mmb mmc mme mml mmm mmn mmo mmp mmt mna mnb mnc mne mnl mnm mnn mno mnp mnt moa mob moc moe mol mom mon moo mop mot mpa mpb mpc mpe mpl mpm mpn mpo mpp mpt mta mtb mtc mte mtl mtm mtn mto mtp mtt naa nab nac nae nal nam nan nao nap nat nba nbb nbc nbe nbl nbm nbn nbo nbp nbt nca ncb ncc nce ncl ncm ncn nco ncp nct ne- nea neb nec nee nel nem nen neo nep net nla nlb nlc nle nll nlm nln nlo nlp nlt nma nmb nmc nme nml nmm nmn nmo nmp nmt nna nnb nnc nne nnl nnm nnn nno nnp nnt no- noa nob noc noe nol nom non noo nop not npa npb npc npe npl npm npn npo npp npt nta ntb ntc nte ntm ntn nto ntp ntt oaa oab oac oae oal oam oan oao oap oat ob- oba obb obc obe obl obm obn obo obp obt oc- oca ocb occ ocl ocm ocn oco ocp oct oea oeb oec oee oel oem oen oeo oep oet ola olb olc ole oll olm oln olo olp olt om- oma omb omc ome oml omm omn omo omp omt on- ona onb onc one onl onn ono onp ont oo- ooa oob ooc ool oom oon ooo oop oot op- opa opb opc ope opl opm opn opo opp opt ot- ota otb otc ote otl otm otn oto otp ott p-p paa pab pac pae pal pam pan pao pap pat pba pbb pbc pbe pbl pbm pbn pbo pbp pbt pca pcb pcc pce pcl pcm pcn pco pcp pct pea peb pec pee pel pem pen peo pep pet pla plb plc ple pll plm pln plo plp plt pma pmb pmc pme pml pmm pmn pmo pmp pmt pn- pna pnb pnc pne pnl pnm pnn pno pnp pnt poa pob poc poe pol pom pon poo pop pot ppa ppb ppc ppe ppl ppm ppn ppo ppp ppt pt- pta ptb ptc pte ptl ptm ptn pto ptp ptt taa tab tac tae tal tam tan tao tap tat tba tbb tbc tbe tbl tbm tbn tbo tbp tbt tca tcb tcc tce tcl tcm tcn tco tcp tct te- tea teb tec tee tel tem ten teo tep tet tla tlc tle tll tlm tln tlo tlp tlt tma tmb tmc tme tml tmm tmn tmo tmp tmt tna tnb tnc tne tnl tnm tnn tno tnp