-al -er a-a a-b a-i a-t aaa aab aae aai aal aan aap aar aat ab- aba abb abe abi abl abn abp abr abt aea aeb aee aei ael aen aep aer aet ai- aia aib aie aii ail ain aip air ait al- ala alb ale ali all aln alp alr alt an- ana anb ane ani anl ann anp anr ant ap- apa apb ape api apl apn app apr apt ar- ara arb are ari arl arn arp arr art at- ata atb ate ati atl atn atp atr att b-p baa bab bae bai bal ban bap bar bat bba bbb bbe bbi bbl bbn bbp bbr bbt be- bea beb bee bei bel ben bep ber bet bi- bia bib bie bii bil bin bip bir bit bla blb ble bli bll bln blp blr blt bna bnb bne bni bnl bnn bnp bnr bnt bpa bpb bpe bpi bpl bpn bpp bpr bpt bra brb bre bri brl brn brp brr brt bta btb bte bti btl btn btp btr btt eaa eab eae eai eal ean eap ear eat eba ebb ebe ebi ebl ebn ebp ebr ebt eea eeb eee eel een eep eer eet eia eib eie eii eil ein eip eir eit ela elb ele eli ell eln elp elr elt en- ena enb ene eni enl enn enp enr ent ep- epa epb epe epi epl epn epp epr ept era erb ere eri erl ern erp err ert eta etb ete eti etl etn etp etr ett ia- iaa iab iae iai ial ian iap iar iat iba ibb ibe ibi ibl ibn ibp ibr ibt ie- iea iee iei iel ien iep ier iet iia iib iie iii iil iin iip iir iit il- ila ilb ile ili ill iln ilp ilr ilt in- ina inb ine ini inl inn inp inr int ipa ipb ipe ipi ipl ipn ipp ipr ipt ir- ira irb ire iri irl irn irp irr irt ita itb ite iti itl itn itp itt l-p la- laa lab lae lai lal lan lap lar lat lba lbb lbe lbi lbl lbp lbr lbt lea leb lee lei lel len lep ler let lia lib lie lii lil lin lip lir lit lla llb lle lli lll lln llp llr llt lna lnb lne lni lnl lnn lnp lnr lnt lpa lpb lpe lpi lpl lpn lpp lpr lpt lra lrb lri lrn lrp lrr lrt lta ltb lte lti ltl ltp ltr ltt n-i naa nab nae nai nal nan nap nar nat nba nbb nbe nbi nbl nbn nbp nbr nbt ne- nea neb nee nei nel nen nep ner net nia nib nie nii nil nin nip nir nit nla nlb nle nli nll nln nlp nlr nlt nna nnb nne nni nnl nnn nnp nnt npa npb npe npi npl npn npp npr npt nra nrb nre nri nrl nrn nrp nrr nrt nta ntb nte nti ntn ntp ntr ntt p-p paa pab pae pai pal pan pap par pat pba pbb pbe pbi pbl pbn pbp pbr pbt pea peb pee pei pel pen pep per pet pia pib pie pii pil pin pip pir pit pla plb ple pli pll pln plp plr plt pn- pna pnb pne pni pnl pnn pnp pnr pnt ppa ppb ppe ppi ppl ppn ppp ppr ppt pra prb pre pri prl prn prp prr prt pt- pta ptb pte pti ptl ptn ptp ptr ptt ra- raa rab rae rai ral ran rap rar rat rba rbb rbe rbi rbl rbn rbp rbr rbt re- rea reb ree rei rel ren rep rer ret ria rib rie rii ril rin rip rir rit rla rle rli rll rln rlp rlr rlt rna rnb rni rnn rnp rnr rnt rpa rpb rpe rpi rpl rpn rpp rpr rpt rra rrb rri rrl rrn rrp rrr rrt rta rtb rte rti rtl rtn rtp rtr rtt taa tab tae tai tal tan tap tar tat tba tbb tbe tbi tbl tbn tbp tbr tbt te- tea teb tee tei tel ten tep ter tet tia tib tie tii til tin tip tir tit tla tle tli tll tln tlp tlr tlt tna tnb tne tni tnl tnn tnp tnr tnt tpa tpb tpe tpi tpl tpn tpp tpr tpt tra trb tre tri trl trn trp trr trt tta ttb tte tti ttl ttn ttp ttr ttt