-al -ol a-a a-b a-t a-z aaa aab aae aal aao aap aat aaz ab- aba abb abe abl abo abp abt abz aea aeb aee ael aeo aep aet aez al- ala alb ale all alo alp alt alz aoa aob aoe aol aoo aop aot ap- apa apb ape apl apo app apt at- ata atb ate atl ato atp att atz az- aza azb aze azo azp azt azz b-p baa bab bae bal bao bap bat baz bba bbb bbe bbl bbo bbp bbt be- bea beb bee bel beo bep bet bez bla blb ble bll blo blp blt blz boa bob boe bol boo bop bot boz bpa bpb bpe bpl bpo bpp bpt bta btb bte btl bto btp btt btz bza bze bzo bzp bzz eaa eab eae eal eao eap eat eaz eba ebb ebe ebl ebo ebp ebt eea eeb eee eel eeo eep eet ela elb ele ell elo elp elt elz eo- eoa eob eoe eol eoo eop eot ep- epa epb epe epl epo epp ept epz eta etb ete etl eto etp ett etz eze ezo ezz l-p la- laa lab lae lal lao lap lat laz lba lbb lbe lbl lbo lbp lbt lea leb lee lel leo lep let lez lla llb lle lll llo llp llt llz loa lob loe lol loo lop lot loz lpa lpb lpe lpl lpo lpp lpt lpz lta ltb lte ltl lto ltp ltt ltz lzo oaa oab oae oal oao oap oat ob- oba obb obe obl obo obp obt oea oeb oee oel oeo oep oet ola olb ole oll olo olp olt oo- ooa oob ool ooo oop oot op- opa opb ope opl opo opp opt ot- ota otb ote otl oto otp ott otz oza oze ozo ozt ozz p-p paa pab pae pal pao pap pat paz pba pbb pbe pbl pbo pbp pbt pbz pea peb pee pel peo pep pet pez pla plb ple pll plo plp plt plz poa pob poe pol poo pop pot poz ppa ppb ppe ppl ppo ppp ppt ppz pt- pta ptb pte ptl pto ptp ptt ptz pzl pzp pzt taa tab tae tal tao tap tat taz tba tbb tbe tbl tbo tbp tbt tbz te- tea teb tee tel teo tep tet tez tla tle tll tlo tlp tlt tlz to- toa tob toe tol too top tot toz tpa tpb tpe tpl tpo tpp tpt tpz tta ttb tte ttl tto ttp ttt tza tze zaa zab zao zap zat zaz zbb zbl zbt zea zeb zee zel zeo zep zet zez zla zlt zo- zoa zob zoe zol zoo zot zpe zpl zpo zpp zpt zta zte ztl zzt zzz