-er a-a a-b a-i aaa aab aad aae aag aai aak aan aao aar aau ab- aba abb abd abe abg abi abk abn abo abr abu ad- ada adb add ade adg adi adk adn ado adr adu aea aeb aed aee aeg aei aek aen aeo aer aeu ag- aga agb agd age agg agi agk agn ago agr agu ai- aia aib aid aie aig aii aik ain aio air aiu aka akb akd ake akg aki akk akn ako akr aku an- ana anb and ane ang ani ank ann ano anr anu aoa aob aod aoe aog aoi aok aon aoo aor aou ar- ara arb ard are arg ari ark arn aro arr aru au- aua aub aud aue aug aui auk aun auo aur b-u baa bab bad bae bag bai bak ban bao bar bau bba bbb bbd bbe bbg bbi bbk bbn bbo bbr bbu bda bdb bdd bde bdg bdi bdk bdo bdr bdu be- bea beb bed bee beg bei bek ben beo ber beu bga bgb bgd bge bgg bgi bgk bgn bgo bgr bgu bi- bia bib bid bie big bii bik bin bio bir biu bka bkb bke bkg bkk bkn bko bkr bna bnb bnd bne bng bni bnk bnn bno bnr bnu boa bob bod boe bog boi bok bon boo bor bou bra brb brd bre brg bri brk brn bro brr bru bua bub bud bue bug bui buk bun buo bur buu daa dab dad dae dag dai dak dan dao dar dau dba dbb dbd dbe dbg dbi dbk dbn dbo dbr dbu dda ddb ddd dde ddg ddi ddk ddn ddo ddr ddu de- dea deb ded dee deg dei dek den deo der deu dga dgd dge dgg dgi dgk dgn dgr dgu di- dia dib did die dig dii dik din dio dir diu dka dkb dke dkg dki dkk dko dkr dku dna dnb dnd dne dng dni dnk dnn dno dnr doa dob dod doe dog doi dok don doo dor dou dra drb drd dre drg dri drk drn dro drr dru dua dub dud due dug dui duk dun duo dur eaa eab ead eae eag eai eak ean eao ear eau eba ebb ebd ebe ebg ebi ebk ebn ebo ebr ebu ed- eda edb edd ede edg edi edk edn edo edr edu eea eeb eed eee eeg eek een eeo eer ega egb egd ege egg egi egn ego egr egu eia eib eid eie eig eii eik ein eio eir eiu eka ekb ekd eke ekg eki eko ekr eku en- ena enb end ene eng eni enk enn eno enr enu eo- eoa eob eod eoe eog eoi eok eon eoo eor eou era erb erd ere erg eri erk ern ero err eru eu- eua eub eud eue eug eui eun eur g-d gaa gab gad gae gag gai gak gan gao gar gau gba gbd gbe gbg gbi gbk gbn gbo gbr gbu gda gdb gdd gde gdi gdk gdn gdo gdr gdu ge- gea geb ged gee geg gei gek gen geo ger geu gga ggb ggd ggg ggi ggn ggo ggr ggu gia gib gid gie gig gii gik gin gio gir giu gka gkb gkd gkn gko gna gnb gnd gne gni gnn gno gnr gnu goa gob god goe gog goi gok gon goo gor gou gra grb grd gre grg gri grk grn gro grr gru gu- gua gub gud gue gug gui guk gun guo gur guu i-d ia- iaa iab iad iae iag iai ian iao iar iau iba ibb ibd ibe ibg ibi ibk ibn ibo ibr ibu ida idb idd ide idg idi idk idn ido idr idu ie- iea ied iee ieg iei iek ien ier iga igb igd ige igg igi igk ign igo igr igu iia iib iid iie iii iin iio iir iiu ika ikb ike iki ikk iko ikr iku in- ina inb ind ine ing ini ink inn ino inr inu io- ioa iob iod ioe iog ioi ion ioo ior iou ir- ira irb ird ire irg iri irk irn iro irr iru iu- iua iub iud iue iug iui iur ka- kaa kab kad kae kag kai kak kan kao kar kau kba kbb kbd kbe kbi kbk kbn kbo kbr kbu kda kdb kde kdg kdk kdo kdr kdu ke- kea keb ked kee keg kei kek ken keo ker kga kgb kgd kgi kgo kgu kia kib kid kie kig kii kik kin kio kir kiu kkb kke kki kkk kkn kkr kku kn- kna knd kne kng kni knk knn kno knr knu koa kob kod koe kog koi kok kon koo kor kou kra krd krg kri krk krn kro krr kru kub kud kue kug kui kuk kun kur kuu n-i naa nab nad nae nag nai nak nan nao nar nau nba nbb nbd nbe nbg nbi nbk nbn nbo nbr nbu nda ndb ndd nde ndg ndi ndk ndn ndo ndr ndu ne- nea neb ned nee neg nei nek nen neo ner neu nga ngb ngd nge ngg ngi ngk ngn ngo ngu nia nib nid nie nig nii nik nin nio nir niu nka nke nki nkk nkn nko nkr nku nna nnb nne nng nni nnk nnn nno nnu no- noa nob nod noe nog noi nok non noo nor nou nra nrb nrd nre nrg nri nrk nrn nro nrr nru nua nub nud nue nug nui nuk nun nuo nur nuu o-i oaa oab oad oae oag oai oak oan oao oar oau ob- oba obb obd obe obg obi obk obn obo obr obu oda odb odd ode odg odi odn odo odr odu oea oeb oed oee oeg oei oen oeo oer oga ogd oge ogg ogi ogn ogo oia oib oid oie oii oik oin oio oir oiu oka okb okd oke okg oki