-ic a-a a-b a-c a-i a-t aaa aab aac aad aai aan aao aas aat aau ab- aba abb abc abd abi abn abo abs abt abu ac- aca acb acc acd aci acn aco acs act acu ad- ada adb adc add adi adn ado ads adt adu ai- aia aib aic aid aii ain aio ais ait aiu an- ana anb anc and ani ann ano ans ant anu aoa aob aoc aod aoi aon aoo aos aot aou as- asa asb asc asd asi asn aso ass ast asu at- ata atb atc atd ati atn ato ats att atu au- aua aub auc aud aui aun auo aus aut b-u baa bab bac bad bai ban bao bas bat bau bba bbb bbc bbd bbi bbn bbo bbs bbt bbu bca bcb bcc bcd bci bcn bco bcs bct bcu bda bdb bdc bdd bdi bdo bds bdt bdu bi- bia bib bic bid bii bin bio bis bit biu bna bnb bnc bnd bni bnn bno bns bnt bnu boa bob boc bod boi bon boo bos bot bou bsa bsb bsc bsd bsi bsn bso bss bst bsu bta btb btc btd bti btn bto bts btt btu bua bub buc bud bui bun buo bus but buu c-- caa cab cac cad cai can cao cas cat cau cba cbb cbc cbd cbi cbn cbo cbs cbt cbu cca ccb ccc ccd cci ccn cco ccs cct ccu cda cdb cdc cdd cdi cdn cdo cds cdt cdu ci- cia cib cic cid cii cin cio cis cit ciu cn- cna cnb cnc cnd cni cnn cno cns cnt cnu co- coa cob coc cod coi con coo cos cot cou csa csb csc csd csi csn cso css cst csu cta ctb ctc ctd cti ctn cto cts ctt ctu cua cub cuc cud cui cun cuo cus cut cuu daa dab dac dad dai dan dao das dat dau dba dbb dbc dbd dbi dbn dbo dbs dbt dbu dca dcb dcc dcd dci dcn dco dcs dct dcu dda ddb ddc ddd ddi ddn ddo dds ddt ddu di- dia dib dic did dii din dio dis dit diu dna dnb dnc dnd dni dnn dno dns dnt doa dob doc dod doi don doo dos dot dou dsa dsb dsc dsd dsi dsn dso dss dst dsu dta dtb dtc dtd dti dtn dto dts dtt dtu dua dub duc dud dui dun duo dus dut i-d ia- iaa iab iac iad iai ian iao ias iat iau iba ibb ibc ibd ibi ibn ibo ibs ibt ibu ica icb icc icd ici icn ico ics ict icu ida idb idc idd idi idn ido ids idt idu iia iib iic iid iii iin iio iis iit iiu in- ina inb inc ind ini inn ino ins int inu io- ioa iob ioc iod ioi ion ioo ios iot iou is- isa isb isc isd isi isn iso iss ist isu ita itb itc itd iti itn ito its itt itu iu- iua iub iuc iud iui ius iut n-i naa nab nac nad nai nan nao nas nat nau nba nbb nbc nbd nbi nbn nbo nbs nbt nbu nca ncb ncc ncd nci ncn nco ncs nct ncu nda ndb ndc ndd ndi ndn ndo nds ndt ndu nia nib nic nid nii nin nio nis nit niu nna nnb nnc nni nnn nno nns nnt nnu no- noa nob noc nod noi non noo nos not nou nsa nsb nsc nsd nsi nsn nso nss nst nsu nta ntb ntc ntd nti ntn nto nts ntt ntu nua nub nuc nud nui nun nuo nus nut nuu o-i oaa oab oac oad oai oan oao oas oat oau ob- oba obb obc obd obi obn obo obs obt obu oc- oca ocb occ ocd oci ocn oco ocs oct ocu oda odb odc odd odi odn odo ods odt odu oia oib oic oid oii oin oio ois oit oiu on- ona onb onc ond oni onn ono ons ont onu oo- ooa oob ooc ood ooi oon ooo oos oot os- osa osb osc osd osi osn oso oss ost osu ot- ota otb otc otd oti otn oto ots ott otu ou- oua ouc oud oui oun ouo ous out saa sab sac sad sai san sao sas sat sau sba sbb sbc sbd sbi sbn sbo sbs sbt sbu sca scb scc scd sci scn sco scs sct scu sda sdb sdc sdd sdi sdn sdo sds sdt sdu sia sib sic sid sii sin sio sis sit siu sna snb snc snd sni snn sno sns snt snu soa sob soc sod soi son soo sos sot sou ss- ssa ssb ssc ssd ssi ssn sso sss sst ssu sta stb stc std sti stn sto sts stt stu sua sub suc sud sui sun suo sus sut suu taa tab tac tad tai tan tao tas tat tau tba tbb tbc tbd tbi tbn tbo tbs tbt tbu tca tcb tcc tcd tci tcn tco tcs tct tcu tda tdb tdc tdd tdi tdn tdo tds tdt tdu tia tib tic tid tii tin tio tis tit tiu tna tnb tnc tnd tni tnn tno tns tnt to- toa tob toc tod toi ton too tos tot tou tsa tsb tsc tsd tsi tsn tso tss tst tsu tta ttb ttc ttd tti ttn tto tts ttt ttu tua tub tuc tud tui tun tuo tus tut tuu ua- uaa uab uac uad uai uan uao uas uat uau uba ubb ubc ubi ubn ubo ubs ubt ubu uca ucb ucc ucd uci ucn uco ucs uct ucu uda udb udc udd udi udn udo uds udt udu uia uib uic uid uii uin uio uis uit uiu un- una unb unc und uni unn uno uns unt unu uoa uob uoc uod uon uoo uos uot usa usb usc usd