-al -er -ol a-a a-b a-t aaa aab aae aag aal aao aap aar aat ab- aba abb abe abg abl abo abp abr abt aea aeb aee aeg ael aeo aep aer aet ag- aga agb age agg agl ago agp agr agt al- ala alb ale alg all alo alp alr alt aoa aob aoe aog aol aoo aop aor aot ap- apa apb ape apg apl apo app apr apt ar- ara arb are arg arl aro arp arr art at- ata atb ate atg atl ato atp atr att b-p baa bab bae bag bal bao bap bar bat bba bbb bbe bbg bbl bbo bbp bbr bbt be- bea beb bee beg bel beo bep ber bet bga bgb bge bgg bgl bgo bgp bgr bgt bla blb ble blg bll blo blp blr blt boa bob boe bog bol boo bop bor bot bpa bpb bpe bpg bpl bpo bpp bpr bpt bra brb bre brg brl bro brp brr brt bta btb bte btg btl bto btp btr btt eaa eab eae eag eal eao eap ear eat eba ebb ebe ebg ebl ebo ebp ebr ebt eea eeb eee eeg eel eeo eep eer eet ega egb ege egg egl ego egp egr egt ela elb ele elg ell elo elp elr elt eo- eoa eob eoe eog eol eoo eop eor eot ep- epa epb epe epg epl epo epp epr ept era erb ere erg erl ero erp err ert eta etb ete etg etl eto etp etr ett g-p gaa gab gae gag gal gao gap gar gat gba gbe gbg gbl gbo gbp gbr gbt ge- gea geb gee geg gel geo gep ger get gga ggb ggg ggo ggp ggr ggt gla glb gle glg gll glo glp glr glt goa gob goe gog gol goo gop gor got gpa gpb gpe gpg gpl gpo gpp gpr gpt gra grb gre grg grl gro grp grr grt gta gtb gte gtg gtl gto gtp gtr gtt l-p la- laa lab lae lag lal lao lap lar lat lba lbb lbe lbg lbl lbo lbp lbr lbt lea leb lee leg lel leo lep ler let lga lgb lge lgg lgl lgo lgp lgr lgt lla llb lle llg lll llo llp llr llt loa lob loe log lol loo lop lor lot lpa lpb lpe lpg lpl lpo lpp lpr lpt lra lrb lrg lro lrp lrr lrt lta ltb lte ltg ltl lto ltp ltr ltt oaa oab oae oag oal oao oap oar oat ob- oba obb obe obg obl obo obp obr obt oea oeb oee oeg oel oeo oep oer oet oga oge ogg ogl ogo ogp ogt ola olb ole olg oll olo olp olt oo- ooa oob oog ool ooo oop oor oot op- opa opb ope opg opl opo opp opr opt or- ora orb ore org orl oro orp orr ort ot- ota otb ote otg otl oto otp otr ott p-p paa pab pae pag pal pao pap par pat pba pbb pbe pbg pbl pbo pbp pbr pbt pea peb pee peg pel peo pep per pet pga pgb pge pgg pgl pgo pgp pgr pgt pla plb ple plg pll plo plp plr plt poa pob poe pog pol poo pop por pot ppa ppb ppe ppg ppl ppo ppp ppr ppt pra prb pre prg prl pro prp prr prt pt- pta ptb pte ptg ptl pto ptp ptr ptt ra- raa rab rae rag ral rao rap rar rat rba rbb rbe rbg rbl rbo rbp rbr rbt re- rea reb ree reg rel reo rep rer ret rga rgb rge rgg rgo rgp rgr rgt rla rle rlg rll rlo rlp rlr rlt roa rob roe rog rol roo rop ror rot rpa rpb rpe rpg rpl rpo rpp rpr rpt rra rrb rrg rrl rrp rrr rrt rta rtb rte rtg rtl rto rtp rtr rtt taa tab tae tag tal tao tap tar tat tba tbb tbe tbg tbl tbo tbp tbr tbt te- tea teb tee teg tel teo tep ter tet tga tgb tge tgg tgl tgo tgp tgr tgt tla tle tlg tll tlo tlp tlr tlt to- toa tob toe tog tol too top tor tot tpa tpb tpe tpg tpl tpo tpp tpr tpt tra trb tre trg trl tro trp trr trt tta ttb tte ttg ttl tto ttp ttr ttt