-er -ic a-a a-b a-c a-i a-t aaa aab aac aae aag aai aan aao aar aas aat aau ab- aba abb abc abe abg abi abn abo abr abs abt abu ac- aca acb acc ace acg aci acn aco acr acs act acu aea aeb aec aee aeg aei aen aeo aer aes aet aeu ag- aga agb agc age agg agi agn ago agr ags agt agu ai- aia aib aic aie aig aii ain aio air ais ait aiu an- ana anb anc ane ang ani ann ano anr ans ant anu aoa aob aoc aoe aog aoi aon aoo aor aos aot aou ar- ara arb arc are arg ari arn aro arr ars art aru as- asa asb asc ase asg asi asn aso asr ass ast asu at- ata atb atc ate atg ati atn ato atr ats att atu au- aua aub auc aue aug aui aun auo aur aus aut b-u baa bab bac bae bag bai ban bao bar bas bat bau bba bbb bbc bbe bbg bbi bbn bbo bbr bbs bbt bbu bca bcb bcc bce bcg bci bcn bco bcr bcs bct bcu be- bea beb bec bee beg bei ben beo ber bes bet beu bga bgb bgc bge bgg bgi bgn bgo bgr bgs bgt bgu bi- bia bib bic bie big bii bin bio bir bis bit biu bna bnb bnc bne bng bni bnn bno bnr bns bnt bnu boa bob boc boe bog boi bon boo bor bos bot bou bra brb bre brg bri brn bro brr brs brt bru bsa bsb bsc bse bsg bsi bsn bso bsr bss bst bsu bta btb btc bte btg bti btn bto btr bts btt btu bua bub buc bue bug bui bun buo bur bus but buu c-- caa cab cac cae cag cai can cao car cas cat cau cba cbb cbc cbe cbg cbi cbn cbo cbr cbs cbt cbu cca ccb ccc cce ccg cci ccn cco ccr ccs cct ccu ce- cea ceb cec cee ceg cei cen ceo cer ces cet ceu cga cgb cgc cge cgg cgi cgn cgo cgr cgs cgt cgu ci- cia cib cic cie cig cii cin cio cir cis cit ciu cn- cna cnb cnc cne cng cni cnn cno cnr cns cnt cnu co- coa cob coc coe cog coi con coo cor cos cot cou cra crb crc cre crg cri crn cro crr crs crt cru csa csb csc cse csg csi csn cso csr css cst csu cta ctb ctc cte ctg cti ctn cto ctr cts ctt ctu cua cub cuc cue cug cui cun cuo cur cus cut cuu eaa eab eac eae eag eai ean eao ear eas eat eau eba ebb ebc ebe ebg ebi ebn ebo ebr ebs ebt ebu ec- eca ecb ecc ece ecg eci ecn eco ecr ecs ect ecu eea eeb eec eee eeg een eeo eer ees eet ega egb egc ege egg egi egn ego egr egs egt egu eia eib eic eie eig eii ein eio eir eis eit eiu en- ena enb enc ene eng eni enn eno enr ens ent enu eo- eoa eob eoc eoe eog eoi eon eoo eor eos eot eou era erb erc ere erg eri ern ero err ers ert eru es- esa esb esc ese esg esi esn eso esr ess est esu eta etb etc ete etg eti etn eto etr ets ett etu eu- eua eub euc eue eug eui eun eur eus eut gaa gab gac gae gag gai gan gao gar gas gat gau gba gbc gbe gbg gbi gbn gbo gbr gbs gbt gbu gca gcb gcc gce gcg gci gcn gco gcr gcs gct gcu ge- gea geb gec gee geg gei gen geo ger ges get geu gga ggb ggc ggg ggi ggn ggo ggr ggs ggt ggu gia gib gic gie gig gii gin gio gir gis git giu gna gnb gnc gne gni gnn gno gnr gns gnt gnu goa gob goc goe gog goi gon goo gor gos got gou gra grb grc gre grg gri grn gro grr grs grt gru gsa gsb gsc gse gsg gsi gsn gso gsr gss gst gsu gta gtb gtc gte gtg gti gtn gto gtr gts gtt gtu gu- gua gub guc gue gug gui gun guo gur gus gut guu ia- iaa iab iac iae iag iai ian iao iar ias iat iau iba ibb ibc ibe ibg ibi ibn ibo ibr ibs ibt ibu ica icb icc ice icg ici icn ico icr ics ict icu ie- iea iec iee ieg iei ien ier ies iet iga igb igc ige igg igi ign igo igr igs igt igu iia iib iic iie iii iin iio iir iis iit iiu in- ina inb inc ine ing ini inn ino inr ins int inu io- ioa iob ioc ioe iog ioi ion ioo ior ios iot iou ir- ira irb irc ire irg iri irn iro irr irs irt iru is- isa isb isc ise isg isi isn iso isr iss ist isu ita itb itc ite itg iti itn ito its itt itu iu- iua iub iuc iue iug iui iur ius iut n-i naa nab nac nae nag nai nan nao nar nas nat nau nba nbb nbc nbe nbg nbi nbn nbo nbr nbs nbt nbu nca ncb ncc nce ncg nci ncn nco ncr ncs nct ncu ne- nea neb nec nee neg nei nen neo ner nes net neu nga ngb ngc nge ngg ngi ngn ngo ngs ngt ngu nia nib nic nie nig nii nin nio nir nis nit niu nna nnb nnc nne nng nni nnn nno nns nnt nnu no- noa nob noc noe nog noi non noo nor nos not nou nra nrb nrc nre nrg nri nrn nro nrr nrs nrt nru nsa nsb nsc nse nsg nsi