-er a-a a-b a-i a-t aaa aab aae aai aak aam aan aao aar aat aau ab- aba abb abe abi abk abm abn abo abr abt abu aea aeb aee aei aek aem aen aeo aer aet aeu ai- aia aib aie aii aik aim ain aio air ait aiu aka akb ake aki akk akm akn ako akr aku ama amb ame ami amk amm amn amo amr amt amu an- ana anb ane ani ank anm ann ano anr ant anu aoa aob aoe aoi aok aom aon aoo aor aot aou ar- ara arb are ari ark arm arn aro arr art aru at- ata atb ate ati atm atn ato atr att atu au- aua aub aue aui auk aum aun auo aur aut b-u baa bab bae bai bak bam ban bao bar bat bau bba bbb bbe bbi bbk bbm bbn bbo bbr bbt bbu be- bea beb bee bei bek bem ben beo ber bet beu bi- bia bib bie bii bik bim bin bio bir bit biu bka bkb bke bkk bkm bkn bko bkr bkt bma bmb bme bmi bmk bmm bmn bmo bmr bmt bmu bna bnb bne bni bnk bnn bno bnr bnt bnu boa bob boe boi bok bom bon boo bor bot bou bra brb bre bri brk brm brn bro brr brt bru bta btb bte bti btk btm btn bto btr btt btu bua bub bue bui buk bum bun buo bur but buu eaa eab eae eai eak eam ean eao ear eat eau eba ebb ebe ebi ebk ebm ebn ebo ebr ebt ebu eea eeb eee eek eem een eeo eer eet eia eib eie eii eik eim ein eio eir eit eiu eka ekb eke eki eko ekr ekt eku em- ema emb eme emi emk emm emn emo emr emt emu en- ena enb ene eni enk enm enn eno enr ent enu eo- eoa eob eoe eoi eok eom eon eoo eor eot eou era erb ere eri erk erm ern ero err ert eru eta etb ete eti etk etm etn eto etr ett etu eu- eua eub eue eui eun eur eut ia- iaa iab iae iai iam ian iao iar iat iau iba ibb ibe ibi ibk ibm ibn ibo ibr ibt ibu ie- iea iee iei iek iem ien ier iet iia iib iie iii iim iin iio iir iit iiu ika ikb ike iki ikk iko ikr ikt iku im- ima imb ime imi imm imn imo imt imu in- ina inb ine ini ink inm inn ino inr int inu io- ioa iob ioe ioi iom ion ioo ior iot iou ir- ira irb ire iri irk irm irn iro irr irt iru ita itb ite iti itk itm itn ito itt itu iu- iua iub iue iui ium iur iut k-t ka- kaa kab kae kai kak kam kan kao kar kat kau kba kbb kbe kbi kbk kbm kbn kbo kbr kbu ke- kea keb kee kei kek kem ken keo ker ket kia kib kie kii kik kim kin kio kir kit kiu kkb kke kki kkk kkm kkn kkr kkt kku kma kmb kme kmi kmk kmm kmo kmt kmu kn- kna kne kni knk knm knn kno knr knt knu koa kob koe koi kok kom kon koo kor kot kou kra kri krk krn kro krr krt kru kta ktb kte ktk ktm ktn kto ktr ktt ktu kub kue kui kuk kum kun kur kut kuu m-o m-r maa mab mae mai mak mam man mao mar mat mau mba mbb mbe mbi mbk mbm mbo mbr mbt mbu mea meb mee mei mek mem men meo mer met meu mi- mia mib mie mii mik mim min mio mir mit miu mka mkb mke mkk mkm mkn mko mkr mkt mku mma mmb mme mmi mmk mmm mmn mmo mmr mmt mmu mna mnb mne mni mnk mnm mnn mno mnr mnt mnu moa mob moe moi mok mom mon moo mor mot mou mra mrb mre mri mrk mrm mrn mro mrr mrt mru mta mtb mte mti mtk mtm mtn mto mtr mtt mtu mua mub mue mui muk mum mun mur mut muu n-i naa nab nae nai nak nam nan nao nar nat nau nba nbb nbe nbi nbk nbm nbn nbo nbr nbt nbu ne- nea neb nee nei nek nem nen neo ner net neu nia nib nie nii nik nim nin nio nir nit niu nka nke nki nkk nkm nkn nko nkr nkt nku nma nmb nme nmi nmk nmm nmn nmo nmr nmt nmu nna nnb nne nni nnk nnm nnn nno nnt nnu no- noa nob noe noi nok nom non noo nor not nou nra nrb nre nri nrk nrm nrn nro nrr nrt nru nta ntb nte nti ntk ntm ntn nto ntr ntt ntu nua nub nue nui nuk num nun nuo nur nut nuu o-i oaa oab oae oai oak oam oan oao oar oat oau ob- oba obb obe obi obk obm obn obo obr obt obu oea oeb oee oei oem oen oeo oer oet oia oib oie oii oik oim oin oio oir oit oiu oka okb oke oki okk oko okr oku om- oma omb ome omi omm omn omo omr omt omu on- ona onb one oni onk onn ono onr ont onu oo- ooa oob ooi ook oom oon ooo oor oot or- ora orb ore ori ork orm orn oro orr ort oru ot- ota otb ote oti otk otm otn oto otr ott otu ou- oua oue oui ouk oum oun ouo our out ra- raa rab rae rai rak ram ran rao rar rat rau rba rbb rbe rbi rbk rbm rbn rbo rbr rbt rbu re- rea reb ree rei rek rem ren reo rer ret reu ria rib rie rii rik rim rin rio rir rit rkb rke rkk