-er a-a a-b a-i a-t aaa aab aad aae aag aai aan aao aap aar aat ab- aba abb abd abe abg abi abn abo abp abr abt ad- ada adb add ade adg adi adn ado adp adr adt aea aeb aed aee aeg aei aen aeo aep aer aet ag- aga agb agd age agg agi agn ago agp agr agt ai- aia aib aid aie aig aii ain aio aip air ait an- ana anb and ane ang ani ann ano anp anr ant aoa aob aod aoe aog aoi aon aoo aop aor aot ap- apa apb apd ape apg api apn apo app apr apt ar- ara arb ard are arg ari arn aro arp arr art at- ata atb atd ate atg ati atn ato atp atr att b-p baa bab bad bae bag bai ban bao bap bar bat bba bbb bbd bbe bbg bbi bbn bbo bbp bbr bbt bda bdb bdd bde bdg bdi bdo bdp bdr bdt be- bea beb bed bee beg bei ben beo bep ber bet bga bgb bgd bge bgg bgi bgn bgo bgp bgr bgt bi- bia bib bid bie big bii bin bio bip bir bit bna bnb bnd bne bng bni bnn bno bnp bnr bnt boa bob bod boe bog boi bon boo bop bor bot bpa bpb bpd bpe bpg bpi bpn bpo bpp bpr bpt bra brb brd bre brg bri brn bro brp brr brt bta btb btd bte btg bti btn bto btp btr btt daa dab dad dae dag dai dan dao dap dar dat dba dbb dbd dbe dbg dbi dbn dbo dbp dbr dbt dda ddb ddd dde ddg ddi ddn ddo ddp ddr ddt de- dea deb ded dee deg dei den deo dep der det dga dgd dge dgg dgi dgn dgp dgr dgt di- dia dib did die dig dii din dio dip dir dit dna dnb dnd dne dng dni dnn dno dnp dnr dnt doa dob dod doe dog doi don doo dop dor dot dpa dpb dpd dpe dpg dpi dpn dpo dpp dpr dpt dra drb drd dre drg dri drn dro drp drr drt dta dtb dtd dte dtg dti dtn dto dtp dtr dtt eaa eab ead eae eag eai ean eao eap ear eat eba ebb ebd ebe ebg ebi ebn ebo ebp ebr ebt ed- eda edb edd ede edg edi edn edo edp edr edt eea eeb eed eee eeg een eeo eep eer eet ega egb egd ege egg egi egn ego egp egr egt eia eib eid eie eig eii ein eio eip eir eit en- ena enb end ene eng eni enn eno enp enr ent eo- eoa eob eod eoe eog eoi eon eoo eop eor eot ep- epa epb epd epe epg epi epn epo epp epr ept era erb erd ere erg eri ern ero erp err ert eta etb etd ete etg eti etn eto etp etr ett g-d g-p gaa gab gad gae gag gai gan gao gap gar gat gba gbd gbe gbg gbi gbn gbo gbp gbr gbt gda gdb gdd gde gdi gdn gdo gdp gdr gdt ge- gea geb ged gee geg gei gen geo gep ger get gga ggb ggd ggg ggi ggn ggo ggp ggr ggt gia gib gid gie gig gii gin gio gip gir git gna gnb gnd gne gni gnn gno gnp gnr gnt goa gob god goe gog goi gon goo gop gor got gpa gpb gpd gpe gpg gpi gpn gpo gpp gpr gpt gra grb grd gre grg gri grn gro grp grr grt gta gtb gtd gte gtg gti gtn gto gtp gtr gtt i-d ia- iaa iab iad iae iag iai ian iao iap iar iat iba ibb ibd ibe ibg ibi ibn ibo ibp ibr ibt ida idb idd ide idg idi idn ido idp idr idt ie- iea ied iee ieg iei ien iep ier iet iga igb igd ige igg igi ign igo igp igr igt iia iib iid iie iii iin iio iip iir iit in- ina inb ind ine ing ini inn ino inp inr int io- ioa iob iod ioe iog ioi ion ioo iop ior iot ipa ipb ipd ipe ipg ipi ipn ipo ipp ipr ipt ir- ira irb ird ire irg iri irn iro irp irr irt ita itb itd ite itg iti itn ito itp itt n-i naa nab nad nae nag nai nan nao nap nar nat nba nbb nbd nbe nbg nbi nbn nbo nbp nbr nbt nda ndb ndd nde ndg ndi ndn ndo ndp ndr ndt ne- nea neb ned nee neg nei nen neo nep ner net nga ngb ngd nge ngg ngi ngn ngo ngp ngt nia nib nid nie nig nii nin nio nip nir nit nna nnb nne nng nni nnn nno nnp nnt no- noa nob nod noe nog noi non noo nop nor not npa npb npd npe npg npi npn npo npp npr npt nra nrb nrd nre nrg nri nrn nro nrp nrr nrt nta ntb ntd nte ntg nti ntn nto ntp ntr ntt o-i oaa oab oad oae oag oai oan oao oap oar oat ob- oba obb obd obe obg obi obn obo obp obr obt oda odb odd ode odg odi odn odo odp odr odt oea oeb oed oee oeg oei oen oeo oep oer oet oga ogd oge ogg ogi ogn ogo ogp ogt oia oib oid oie oii oin oio oip oir oit on- ona onb ond one ong oni onn ono onp onr ont oo- ooa oob ood oog ooi oon ooo oop oor oot op- opa opb opd ope opg opi opn opo opp opr opt or- ora orb ord ore org ori orn oro orp orr ort ot- ota otb otd ote otg oti otn oto otp otr ott p-p paa pab pad pae pag pai pan pao pap