-er a-a a-b a-i a-t aaa aab aad aae aag aai aan aao aar aat aau ab- aba abb abd abe abg abi abn abo abr abt abu ad- ada adb add ade adg adi adn ado adr adt adu aea aeb aed aee aeg aei aen aeo aer aet aeu ag- aga agb agd age agg agi agn ago agr agt agu ai- aia aib aid aie aig aii ain aio air ait aiu an- ana anb and ane ang ani ann ano anr ant anu aoa aob aod aoe aog aoi aon aoo aor aot aou ar- ara arb ard are arg ari arn aro arr art aru at- ata atb atd ate atg ati atn ato atr att atu au- aua aub aud aue aug aui aun auo aur aut b-u baa bab bad bae bag bai ban bao bar bat bau bba bbb bbd bbe bbg bbi bbn bbo bbr bbt bbu bda bdb bdd bde bdg bdi bdo bdr bdt bdu be- bea beb bed bee beg bei ben beo ber bet beu bga bgb bgd bge bgg bgi bgn bgo bgr bgt bgu bi- bia bib bid bie big bii bin bio bir bit biu bna bnb bnd bne bng bni bnn bno bnr bnt bnu boa bob bod boe bog boi bon boo bor bot bou bra brb brd bre brg bri brn bro brr brt bru bta btb btd bte btg bti btn bto btr btt btu bua bub bud bue bug bui bun buo bur but buu daa dab dad dae dag dai dan dao dar dat dau dba dbb dbd dbe dbg dbi dbn dbo dbr dbt dbu dda ddb ddd dde ddg ddi ddn ddo ddr ddt ddu de- dea deb ded dee deg dei den deo der det deu dga dgd dge dgg dgi dgn dgr dgt dgu di- dia dib did die dig dii din dio dir dit diu dna dnb dnd dne dng dni dnn dno dnr dnt doa dob dod doe dog doi don doo dor dot dou dra drb drd dre drg dri drn dro drr drt dru dta dtb dtd dte dtg dti dtn dto dtr dtt dtu dua dub dud due dug dui dun duo dur dut eaa eab ead eae eag eai ean eao ear eat eau eba ebb ebd ebe ebg ebi ebn ebo ebr ebt ebu ed- eda edb edd ede edg edi edn edo edr edt edu eea eeb eed eee eeg een eeo eer eet ega egb egd ege egg egi egn ego egr egt egu eia eib eid eie eig eii ein eio eir eit eiu en- ena enb end ene eng eni enn eno enr ent enu eo- eoa eob eod eoe eog eoi eon eoo eor eot eou era erb erd ere erg eri ern ero err ert eru eta etb etd ete etg eti etn eto etr ett etu eu- eua eub eud eue eug eui eun eur eut g-d gaa gab gad gae gag gai gan gao gar gat gau gba gbd gbe gbg gbi gbn gbo gbr gbt gbu gda gdb gdd gde gdi gdn gdo gdr gdt gdu ge- gea geb ged gee geg gei gen geo ger get geu gga ggb ggd ggg ggi ggn ggo ggr ggt ggu gia gib gid gie gig gii gin gio gir git giu gna gnb gnd gne gni gnn gno gnr gnt gnu goa gob god goe gog goi gon goo gor got gou gra grb grd gre grg gri grn gro grr grt gru gta gtb gtd gte gtg gti gtn gto gtr gtt gtu gu- gua gub gud gue gug gui gun guo gur gut guu i-d ia- iaa iab iad iae iag iai ian iao iar iat iau iba ibb ibd ibe ibg ibi ibn ibo ibr ibt ibu ida idb idd ide idg idi idn ido idr idt idu ie- iea ied iee ieg iei ien ier iet iga igb igd ige igg igi ign igo igr igt igu iia iib iid iie iii iin iio iir iit iiu in- ina inb ind ine ing ini inn ino inr int inu io- ioa iob iod ioe iog ioi ion ioo ior iot iou ir- ira irb ird ire irg iri irn iro irr irt iru ita itb itd ite itg iti itn ito itt itu iu- iua iub iud iue iug iui iur iut n-i naa nab nad nae nag nai nan nao nar nat nau nba nbb nbd nbe nbg nbi nbn nbo nbr nbt nbu nda ndb ndd nde ndg ndi ndn ndo ndr ndt ndu ne- nea neb ned nee neg nei nen neo ner net neu nga ngb ngd nge ngg ngi ngn ngo ngt ngu nia nib nid nie nig nii nin nio nir nit niu nna nnb nne nng nni nnn nno nnt nnu no- noa nob nod noe nog noi non noo nor not nou nra nrb nrd nre nrg nri nrn nro nrr nrt nru nta ntb ntd nte ntg nti ntn nto ntr ntt ntu nua nub nud nue nug nui nun nuo nur nut nuu o-i oaa oab oad oae oag oai oan oao oar oat oau ob- oba obb obd obe obg obi obn obo obr obt obu oda odb odd ode odg odi odn odo odr odt odu oea oeb oed oee oeg oei oen oeo oer oet oga ogd oge ogg ogi ogn ogo ogt oia oib oid oie oii oin oio oir oit oiu on- ona onb ond one ong oni onn ono onr ont onu oo- ooa oob ood oog ooi oon ooo oor oot or- ora orb ord ore org ori orn oro orr ort oru ot- ota otb otd ote otg oti otn oto otr ott otu ou- oua oud oue oui oun ouo our out ra- raa rab rad rae rag rai ran rao rar rat rau rba rbb rbd rbe rbg rbi rbn rbo rbr rbt rbu rda rdb