-ic a-a a-b a-c a-i aaa aab aac aae aag aai aan aao aas aau ab- aba abb abc abe abg abi abn abo abs abu ac- aca acb acc ace acg aci acn aco acs acu aea aeb aec aee aeg aei aen aeo aes aeu ag- aga agb agc age agg agi agn ago ags agu ai- aia aib aic aie aig aii ain aio ais aiu an- ana anb anc ane ang ani ann ano ans anu aoa aob aoc aoe aog aoi aon aoo aos aou as- asa asb asc ase asg asi asn aso ass asu au- aua aub auc aue aug aui aun auo aus b-u baa bab bac bae bag bai ban bao bas bau bba bbb bbc bbe bbg bbi bbn bbo bbs bbu bca bcb bcc bce bcg bci bcn bco bcs bcu be- bea beb bec bee beg bei ben beo bes beu bga bgb bgc bge bgg bgi bgn bgo bgs bgu bi- bia bib bic bie big bii bin bio bis biu bna bnb bnc bne bng bni bnn bno bns bnu boa bob boc boe bog boi bon boo bos bou bsa bsb bsc bse bsg bsi bsn bso bss bsu bua bub buc bue bug bui bun buo bus buu c-- caa cab cac cae cag cai can cao cas cau cba cbb cbc cbe cbg cbi cbn cbo cbs cbu cca ccb ccc cce ccg cci ccn cco ccs ccu ce- cea ceb cec cee ceg cei cen ceo ces ceu cga cgb cgc cge cgg cgi cgn cgo cgs cgu ci- cia cib cic cie cig cii cin cio cis ciu cn- cna cnb cnc cne cng cni cnn cno cns cnu co- coa cob coc coe cog coi con coo cos cou csa csb csc cse csg csi csn cso css csu cua cub cuc cue cug cui cun cuo cus cuu eaa eab eac eae eag eai ean eao eas eau eba ebb ebc ebe ebg ebi ebn ebo ebs ebu ec- eca ecb ecc ece ecg eci ecn eco ecs ecu eea eeb eec eee eeg een eeo ees ega egb egc ege egg egi egn ego egs egu eia eib eic eie eig eii ein eio eis eiu en- ena enb enc ene eng eni enn eno ens enu eo- eoa eob eoc eoe eog eoi eon eoo eos eou es- esa esb esc ese esg esi esn eso ess esu eu- eua eub euc eue eug eui eun eus gaa gab gac gae gag gai gan gao gas gau gba gbc gbe gbg gbi gbn gbo gbs gbu gca gcb gcc gce gcg gci gcn gco gcs gcu ge- gea geb gec gee geg gei gen geo ges geu gga ggb ggc ggg ggi ggn ggo ggs ggu gia gib gic gie gig gii gin gio gis giu gna gnb gnc gne gni gnn gno gns gnu goa gob goc goe gog goi gon goo gos gou gsa gsb gsc gse gsg gsi gsn gso gss gsu gu- gua gub guc gue gug gui gun guo gus guu ia- iaa iab iac iae iag iai ian iao ias iau iba ibb ibc ibe ibg ibi ibn ibo ibs ibu ica icb icc ice icg ici icn ico ics icu ie- iea iec iee ieg iei ien ies iga igb igc ige igg igi ign igo igs igu iia iib iic iie iii iin iio iis iiu in- ina inb inc ine ing ini inn ino ins inu io- ioa iob ioc ioe iog ioi ion ioo ios iou is- isa isb isc ise isg isi isn iso iss isu iu- iua iub iuc iue iug iui ius n-i naa nab nac nae nag nai nan nao nas nau nba nbb nbc nbe nbg nbi nbn nbo nbs nbu nca ncb ncc nce ncg nci ncn nco ncs ncu ne- nea neb nec nee neg nei nen neo nes neu nga ngb ngc nge ngg ngi ngn ngo ngs ngu nia nib nic nie nig nii nin nio nis niu nna nnb nnc nne nng nni nnn nno nns nnu no- noa nob noc noe nog noi non noo nos nou nsa nsb nsc nse nsg nsi nsn nso nss nsu nua nub nuc nue nug nui nun nuo nus nuu o-i oaa oab oac oae oag oai oan oao oas oau ob- oba obb obc obe obg obi obn obo obs obu oc- oca ocb occ ocg oci ocn oco ocs ocu oea oeb oec oee oeg oei oen oeo oes oga ogc oge ogg ogi ogn ogo ogs oia oib oic oie oii oin oio ois oiu on- ona onb onc one ong oni onn ono ons onu oo- ooa oob ooc oog ooi oon ooo oos os- osa osb osc ose osg osi osn oso oss osu ou- oua ouc oue oui oun ouo ous saa sab sac sae sag sai san sao sas sau sba sbb sbc sbe sbg sbi sbn sbo sbs sbu sca scb scc sce scg sci scn sco scs scu se- sea seb sec see seg sei sen seo ses seu sga sgb sgc sge sgg sgi sgn sgo sgs sgu sia sib sic sie sig sii sin sio sis siu sna snb snc sne sng sni snn sno sns snu soa sob soc soe sog soi son soo sos sou ss- ssa ssb ssc sse ssg ssi ssn sso sss ssu sua sub suc sue sug sui sun suo sus suu ua- uaa uab uac uae uag uai uan uao uas uau uba ubb ubc ube ubg ubi ubn ubo ubs ubu uca ucb ucc uce ucg uci ucn uco ucs ucu uea ueb uec uee ueg uei uen ues uga ugb ugc uge ugg ugi ugn ugo ugs ugu uia uib uic uie uig uii uin uio uis uiu un- una unb unc une ung uni unn uno uns unu uoa uob uoc uoe uog uon uoo uos usa usb