-ic a-a a-b a-c a-i a-t aaa aab aac aad aae aai aan aao aat aau ab- aba abb abc abd abe abi abn abo abt abu ac- aca acb acc acd ace aci acn aco act acu ad- ada adb adc add ade adi adn ado adt adu aea aeb aec aed aee aei aen aeo aet aeu ai- aia aib aic aid aie aii ain aio ait aiu an- ana anb anc and ane ani ann ano ant anu aoa aob aoc aod aoe aoi aon aoo aot aou at- ata atb atc atd ate ati atn ato att atu au- aua aub auc aud aue aui aun auo aut b-u baa bab bac bad bae bai ban bao bat bau bba bbb bbc bbd bbe bbi bbn bbo bbt bbu bca bcb bcc bcd bce bci bcn bco bct bcu bda bdb bdc bdd bde bdi bdo bdt bdu be- bea beb bec bed bee bei ben beo bet beu bi- bia bib bic bid bie bii bin bio bit biu bna bnb bnc bnd bne bni bnn bno bnt bnu boa bob boc bod boe boi bon boo bot bou bta btb btc btd bte bti btn bto btt btu bua bub buc bud bue bui bun buo but buu c-- caa cab cac cad cae cai can cao cat cau cba cbb cbc cbd cbe cbi cbn cbo cbt cbu cca ccb ccc ccd cce cci ccn cco cct ccu cda cdb cdc cdd cde cdi cdn cdo cdt cdu ce- cea ceb cec ced cee cei cen ceo cet ceu ci- cia cib cic cid cie cii cin cio cit ciu cn- cna cnb cnc cnd cne cni cnn cno cnt cnu co- coa cob coc cod coe coi con coo cot cou cta ctb ctc ctd cte cti ctn cto ctt ctu cua cub cuc cud cue cui cun cuo cut cuu daa dab dac dad dae dai dan dao dat dau dba dbb dbc dbd dbe dbi dbn dbo dbt dbu dca dcb dcc dcd dce dci dcn dco dct dcu dda ddb ddc ddd dde ddi ddn ddo ddt ddu de- dea deb dec ded dee dei den deo det deu di- dia dib dic did die dii din dio dit diu dna dnb dnc dnd dne dni dnn dno dnt doa dob doc dod doe doi don doo dot dou dta dtb dtc dtd dte dti dtn dto dtt dtu dua dub duc dud due dui dun duo dut eaa eab eac ead eae eai ean eao eat eau eba ebb ebc ebd ebe ebi ebn ebo ebt ebu ec- eca ecb ecc ecd ece eci ecn eco ect ecu ed- eda edb edc edd ede edi edn edo edt edu eea eeb eec eed eee een eeo eet eia eib eic eid eie eii ein eio eit eiu en- ena enb enc end ene eni enn eno ent enu eo- eoa eob eoc eod eoe eoi eon eoo eot eou eta etb etc etd ete eti etn eto ett etu eu- eua eub euc eud eue eui eun eut i-d ia- iaa iab iac iad iae iai ian iao iat iau iba ibb ibc ibd ibe ibi ibn ibo ibt ibu ica icb icc icd ice ici icn ico ict icu ida idb idc idd ide idi idn ido idt idu ie- iea iec ied iee iei ien iet iia iib iic iid iie iii iin iio iit iiu in- ina inb inc ind ine ini inn ino int inu io- ioa iob ioc iod ioe ioi ion ioo iot iou ita itb itc itd ite iti itn ito itt itu iu- iua iub iuc iud iue iui iut n-i naa nab nac nad nae nai nan nao nat nau nba nbb nbc nbd nbe nbi nbn nbo nbt nbu nca ncb ncc ncd nce nci ncn nco nct ncu nda ndb ndc ndd nde ndi ndn ndo ndt ndu ne- nea neb nec ned nee nei nen neo net neu nia nib nic nid nie nii nin nio nit niu nna nnb nnc nne nni nnn nno nnt nnu no- noa nob noc nod noe noi non noo not nou nta ntb ntc ntd nte nti ntn nto ntt ntu nua nub nuc nud nue nui nun nuo nut nuu o-i oaa oab oac oad oae oai oan oao oat oau ob- oba obb obc obd obe obi obn obo obt obu oc- oca ocb occ ocd oci ocn oco oct ocu oda odb odc odd ode odi odn odo odt odu oea oeb oec oed oee oei oen oeo oet oia oib oic oid oie oii oin oio oit oiu on- ona onb onc ond one oni onn ono ont onu oo- ooa oob ooc ood ooi oon ooo oot ot- ota otb otc otd ote oti otn oto ott otu ou- oua ouc oud oue oui oun ouo out taa tab tac tad tae tai tan tao tat tau tba tbb tbc tbd tbe tbi tbn tbo tbt tbu tca tcb tcc tcd tce tci tcn tco tct tcu tda tdb tdc tdd tde tdi tdn tdo tdt tdu te- tea teb tec ted tee tei ten teo tet teu tia tib tic tid tie tii tin tio tit tiu tna tnb tnc tnd tne tni tnn tno tnt to- toa tob toc tod toe toi ton too tot tou tta ttb ttc ttd tte tti ttn tto ttt ttu tua tub tuc tud tue tui tun tuo tut tuu ua- uaa uab uac uad uae uai uan uao uat uau uba ubb ubc ube ubi ubn ubo ubt ubu uca ucb ucc ucd uce uci ucn uco uct ucu uda udb udc udd ude udi udn udo udt udu uea ueb uec ued uee uei uen uet uia uib uic uid uie uii uin uio uit uiu un- una unb unc und une uni unn uno unt unu uoa uob uoc uod uoe uon uoo