-er a-a a-b a-i a-t a-z aaa aab aad aae aai aap aar aat aaz ab- aba abb abd abe abi abp abr abt abz ad- ada adb add ade adi adp adr adt adz aea aeb aed aee aei aep aer aet aez ai- aia aib aid aie aii aip air ait aiz ap- apa apb apd ape api app apr apt ar- ara arb ard are ari arp arr art arz at- ata atb atd ate ati atp atr att atz az- aza azb azd aze azi azp azt azz b-p baa bab bad bae bai bap bar bat baz bba bbb bbd bbe bbi bbp bbr bbt bda bdb bdd bde bdi bdp bdr bdt bdz be- bea beb bed bee bei bep ber bet bez bi- bia bib bid bie bii bip bir bit biz bpa bpb bpd bpe bpi bpp bpr bpt bra brb brd bre bri brp brr brt brz bta btb btd bte bti btp btr btt btz bza bzd bze bzp bzr bzz daa dab dad dae dai dap dar dat daz dba dbb dbd dbe dbi dbp dbr dbt dbz dda ddb ddd dde ddi ddp ddr ddt ddz de- dea deb ded dee dei dep der det dez di- dia dib did die dii dip dir dit diz dpa dpb dpd dpe dpi dpp dpr dpt dpz dra drb drd dre dri drp drr drt drz dta dtb dtd dte dti dtp dtr dtt dtz dza dzb dzd dze dzi dzp dzr eaa eab ead eae eai eap ear eat eaz eba ebb ebd ebe ebi ebp ebr ebt ed- eda edb edd ede edi edp edr edt eea eeb eed eee eep eer eet eia eib eid eie eii eip eir eit ep- epa epb epd epe epi epp epr ept epz era erb erd ere eri erp err ert erz eta etb etd ete eti etp etr ett etz eze ezr ezz i-d ia- iaa iab iad iae iai iap iar iat iaz iba ibb ibd ibe ibi ibp ibr ibt ibz ida idb idd ide idi idp idr idt ie- iea ied iee iei iep ier iet iia iib iid iie iii iip iir iit ipa ipb ipd ipe ipi ipp ipr ipt ir- ira irb ird ire iri irp irr irt ita itb itd ite iti itp itt itz iza ize izi izz p-p paa pab pad pae pai pap par pat paz pba pbb pbd pbe pbi pbp pbr pbt pbz pda pdb pdd pde pdi pdp pdr pdt pdz pea peb ped pee pei pep per pet pez pia pib pid pie pii pip pir pit piz ppa ppb ppd ppe ppi ppp ppr ppt ppz pra prb prd pre pri prp prr prt prz pt- pta ptb ptd pte pti ptp ptr ptt ptz pzp pzt ra- raa rab rad rae rai rap rar rat raz rba rbb rbd rbe rbi rbp rbr rbt rda rdb rdd rde rdi rdp rdr rdt re- rea reb red ree rei rep rer ret rez ria rib rid rie rii rip rir rit riz rpa rpb rpd rpe rpi rpp rpr rpt rpz rra rrb rrd rri rrp rrr rrt rta rtb rtd rte rti rtp rtr rtt rtz rza rzb rze taa tab tad tae tai tap tar tat taz tba tbb tbd tbe tbi tbp tbr tbt tbz tda tdb tdd tde tdi tdp tdr tdt te- tea teb ted tee tei tep ter tet tez tia tib tid tie tii tip tir tit tiz tpa tpb tpd tpe tpi tpp tpr tpt tpz tra trb trd tre tri trp trr trt trz tta ttb ttd tte tti ttp ttr ttt tza tzd tze zaa zab zad zai zap zar zat zaz zbb zbr zbt zdt zea zeb zed zee zep zer zet zez zia zib zid zie zip zir zit ziz zpe zpi zpp zpr zpt zrp zta zte ztr zzr zzt zzz