-er a-a a-b a-i a-t aaa aab aad aae aai aak aam aan aar aat aau ab- aba abb abd abe abi abk abm abn abr abt abu ad- ada adb add ade adi adk adm adn adr adt adu aea aeb aed aee aei aek aem aen aer aet aeu ai- aia aib aid aie aii aik aim ain air ait aiu aka akb akd ake aki akk akm akn akr aku ama amb amd ame ami amk amm amn amr amt amu an- ana anb and ane ani ank anm ann anr ant anu ar- ara arb ard are ari ark arm arn arr art aru at- ata atb atd ate ati atm atn atr att atu au- aua aub aud aue aui auk aum aun aur aut b-u baa bab bad bae bai bak bam ban bar bat bau bba bbb bbd bbe bbi bbk bbm bbn bbr bbt bbu bda bdb bdd bde bdi bdk bdm bdr bdt bdu be- bea beb bed bee bei bek bem ben ber bet beu bi- bia bib bid bie bii bik bim bin bir bit biu bka bkb bke bkk bkm bkn bkr bkt bma bmb bmd bme bmi bmk bmm bmn bmr bmt bmu bna bnb bnd bne bni bnk bnn bnr bnt bnu bra brb brd bre bri brk brm brn brr brt bru bta btb btd bte bti btk btm btn btr btt btu bua bub bud bue bui buk bum bun bur but buu daa dab dad dae dai dak dam dan dar dat dau dba dbb dbd dbe dbi dbk dbm dbn dbr dbt dbu dda ddb ddd dde ddi ddk ddm ddn ddr ddt ddu de- dea deb ded dee dei dek dem den der det deu di- dia dib did die dii dik dim din dir dit diu dka dkb dke dki dkk dkm dkr dkt dku dma dmb dmd dme dmi dmk dmm dmn dmr dmt dmu dna dnb dnd dne dni dnk dnm dnn dnr dnt dra drb drd dre dri drk drm drn drr drt dru dta dtb dtd dte dti dtk dtm dtn dtr dtt dtu dua dub dud due dui duk dum dun dur dut eaa eab ead eae eai eak eam ean ear eat eau eba ebb ebd ebe ebi ebk ebm ebn ebr ebt ebu ed- eda edb edd ede edi edk edm edn edr edt edu eea eeb eed eee eek eem een eer eet eia eib eid eie eii eik eim ein eir eit eiu eka ekb ekd eke eki ekr ekt eku em- ema emb emd eme emi emk emm emn emr emt emu en- ena enb end ene eni enk enm enn enr ent enu era erb erd ere eri erk erm ern err ert eru eta etb etd ete eti etk etm etn etr ett etu eu- eua eub eud eue eui eun eur eut i-d ia- iaa iab iad iae iai iam ian iar iat iau iba ibb ibd ibe ibi ibk ibm ibn ibr ibt ibu ida idb idd ide idi idk idm idn idr idt idu ie- iea ied iee iei iek iem ien ier iet iia iib iid iie iii iim iin iir iit iiu ika ikb ike iki ikk ikr ikt iku im- ima imb imd ime imi imm imn imt imu in- ina inb ind ine ini ink inm inn inr int inu ir- ira irb ird ire iri irk irm irn irr irt iru ita itb itd ite iti itk itm itn itt itu iu- iua iub iud iue iui ium iur iut k-t ka- kaa kab kad kae kai kak kam kan kar kat kau kba kbb kbd kbe kbi kbk kbm kbn kbr kbu kda kdb kde kdk kdm kdr kdt kdu ke- kea keb ked kee kei kek kem ken ker ket kia kib kid kie kii kik kim kin kir kit kiu kkb kke kki kkk kkm kkn kkr kkt kku kma kmb kmd kme kmi kmk kmm kmt kmu kn- kna knd kne kni knk knm knn knr knt knu kra krd kri krk krn krr krt kru kta ktb kte ktk ktm ktn ktr ktt ktu kub kud kue kui kuk kum kun kur kut kuu m-r maa mab mad mae mai mak mam man mar mat mau mba mbb mbd mbe mbi mbk mbm mbr mbt mbu mda mdb mdd mde mdi mdk mdm mdn mdr mdt mdu mea meb med mee mei mek mem men mer met meu mi- mia mib mid mie mii mik mim min mir mit miu mka mkb mkd mke mkk mkm mkn mkr mkt mku mma mmb mmd mme mmi mmk mmm mmn mmr mmt mmu mna mnb mne mni mnk mnm mnn mnr mnt mnu mra mrb mrd mre mri mrk mrm mrn mrr mrt mru mta mtb mtd mte mti mtk mtm mtn mtr mtt mtu mua mub mud mue mui muk mum mun mur mut muu n-i naa nab nad nae nai nak nam nan nar nat nau nba nbb nbd nbe nbi nbk nbm nbn nbr nbt nbu nda ndb ndd nde ndi ndk ndm ndn ndr ndt ndu ne- nea neb ned nee nei nek nem nen ner net neu nia nib nid nie nii nik nim nin nir nit niu nka nke nki nkk nkm nkn nkr nkt nku nma nmb nmd nme nmi nmk nmm nmn nmr nmt nmu nna nnb nne nni nnk nnm nnn nnt nnu nra nrb nrd nre nri nrk nrm nrn nrr nrt nru nta ntb ntd nte nti ntk ntm ntn ntr ntt ntu nua nub nud nue nui nuk num nun nur nut nuu ra- raa rab rad rae rai rak ram ran rar rat rau rba rbb rbd rbe rbi rbk rbm rbn rbr rbt rbu rda rdb rdd rde rdi rdm rdn rdr rdt rdu re- rea reb red ree rei rek rem ren rer ret reu ria rib rid rie rii rik rim