-al -er a-a a-b aaa aab aae aag aak aal aan aap aar ab- aba abb abe abg abk abl abn abp abr aea aeb aee aeg aek ael aen aep aer ag- aga agb age agg agk agl agn agp agr aka akb ake akg akk akl akn akp akr al- ala alb ale alg alk all aln alp alr an- ana anb ane ang ank anl ann anp anr ap- apa apb ape apg apk apl apn app apr ar- ara arb are arg ark arl arn arp arr b-p baa bab bae bag bak bal ban bap bar bba bbb bbe bbg bbk bbl bbn bbp bbr be- bea beb bee beg bek bel ben bep ber bga bgb bge bgg bgk bgl bgn bgp bgr bka bkb bke bkg bkk bkl bkn bkp bkr bla blb ble blg blk bll bln blp blr bna bnb bne bng bnk bnl bnn bnp bnr bpa bpb bpe bpg bpl bpn bpp bpr bra brb bre brg brk brl brn brp brr eaa eab eae eag eak eal ean eap ear eba ebb ebe ebg ebk ebl ebn ebp ebr eea eeb eee eeg eek eel een eep eer ega egb ege egg egl egn egp egr eka ekb eke ekg ekl ekp ekr ela elb ele elg elk ell eln elp elr en- ena enb ene eng enk enl enn enp enr ep- epa epb epe epg epl epn epp epr era erb ere erg erk erl ern erp err g-p gaa gab gae gag gak gal gan gap gar gba gbe gbg gbk gbl gbn gbp gbr ge- gea geb gee geg gek gel gen gep ger gga ggb ggg ggn ggp ggr gka gkb gkn gkp gla glb gle glg glk gll gln glp glr gna gnb gne gnl gnn gnp gnr gpa gpb gpe gpg gpk gpl gpn gpp gpr gra grb gre grg grk grl grn grp grr ka- kaa kab kae kag kak kal kan kap kar kba kbb kbe kbk kbl kbn kbp kbr ke- kea keb kee keg kek kel ken kep ker kga kgb kgl kgp kkb kke kkk kkl kkn kkp kkr kl- kla klb klg klr kn- kna kne kng knk knl knn knp knr kpa kpe kpk kpl kpn kpp kpr kra krg krk krl krn krp krr l-p la- laa lab lae lag lak lal lan lap lar lba lbb lbe lbg lbk lbl lbp lbr lea leb lee leg lek lel len lep ler lga lgb lge lgg lgk lgl lgn lgp lgr lka lkb lkg lkl lkp lkr lla llb lle llg llk lll lln llp llr lna lnb lne lng lnk lnl lnn lnp lnr lpa lpb lpe lpg lpk lpl lpn lpp lpr lra lrb lrg lrk lrn lrp lrr naa nab nae nag nak nal nan nap nar nba nbb nbe nbg nbk nbl nbn nbp nbr ne- nea neb nee neg nek nel nen nep ner nga ngb nge ngg ngk ngl ngn ngp nka nke nkk nkn nkp nkr nla nlb nle nlg nlk nll nln nlp nlr nna nnb nne nng nnk nnl nnn nnp npa npb npe npg npl npn npp npr nra nrb nre nrg nrk nrl nrn nrp nrr p-p paa pab pae pag pak pal pan pap par pba pbb pbe pbg pbk pbl pbn pbp pbr pea peb pee peg pek pel pen pep per pga pgb pge pgg pgk pgl pgn pgp pgr pka pkb pke pkg pkl pkn pkp pkr pla plb ple plg plk pll pln plp plr pn- pna pnb pne png pnk pnl pnn pnp pnr ppa ppb ppe ppg ppk ppl ppn ppp ppr pra prb pre prg prk prl prn prp prr ra- raa rab rae rag rak ral ran rap rar rba rbb rbe rbg rbk rbl rbn rbp rbr re- rea reb ree reg rek rel ren rep rer rga rgb rge rgg rgk rgn rgp rgr rkb rke rkg rkk rkp rla rle rlg rll rln rlp rlr rna rnb rng rnn rnp rnr rpa rpb rpe rpg rpk rpl rpn rpp rpr rra rrb rrg rrk rrl rrn rrp rrr