-er -ic a-a a-b a-c a-i aaa aab aac aae aag aai aan aao aar aas aau ab- aba abb abc abe abg abi abn abo abr abs abu ac- aca acb acc ace acg aci acn aco acr acs acu aea aeb aec aee aeg aei aen aeo aer aes aeu ag- aga agb agc age agg agi agn ago agr ags agu ai- aia aib aic aie aig aii ain aio air ais aiu an- ana anb anc ane ang ani ann ano anr ans anu aoa aob aoc aoe aog aoi aon aoo aor aos aou ar- ara arb arc are arg ari arn aro arr ars aru as- asa asb asc ase asg asi asn aso asr ass asu au- aua aub auc aue aug aui aun auo aur aus b-u baa bab bac bae bag bai ban bao bar bas bau bba bbb bbc bbe bbg bbi bbn bbo bbr bbs bbu bca bcb bcc bce bcg bci bcn bco bcr bcs bcu be- bea beb bec bee beg bei ben beo ber bes beu bga bgb bgc bge bgg bgi bgn bgo bgr bgs bgu bi- bia bib bic bie big bii bin bio bir bis biu bna bnb bnc bne bng bni bnn bno bnr bns bnu boa bob boc boe bog boi bon boo bor bos bou bra brb bre brg bri brn bro brr brs bru bsa bsb bsc bse bsg bsi bsn bso bsr bss bsu bua bub buc bue bug bui bun buo bur bus buu c-- caa cab cac cae cag cai can cao car cas cau cba cbb cbc cbe cbg cbi cbn cbo cbr cbs cbu cca ccb ccc cce ccg cci ccn cco ccr ccs ccu ce- cea ceb cec cee ceg cei cen ceo cer ces ceu cga cgb cgc cge cgg cgi cgn cgo cgr cgs cgu ci- cia cib cic cie cig cii cin cio cir cis ciu cn- cna cnb cnc cne cng cni cnn cno cnr cns cnu co- coa cob coc coe cog coi con coo cor cos cou cra crb crc cre crg cri crn cro crr crs cru csa csb csc cse csg csi csn cso csr css csu cua cub cuc cue cug cui cun cuo cur cus cuu eaa eab eac eae eag eai ean eao ear eas eau eba ebb ebc ebe ebg ebi ebn ebo ebr ebs ebu ec- eca ecb ecc ece ecg eci ecn eco ecr ecs ecu eea eeb eec eee eeg een eeo eer ees ega egb egc ege egg egi egn ego egr egs egu eia eib eic eie eig eii ein eio eir eis eiu en- ena enb enc ene eng eni enn eno enr ens enu eo- eoa eob eoc eoe eog eoi eon eoo eor eos eou era erb erc ere erg eri ern ero err ers eru es- esa esb esc ese esg esi esn eso esr ess esu eu- eua eub euc eue eug eui eun eur eus gaa gab gac gae gag gai gan gao gar gas gau gba gbc gbe gbg gbi gbn gbo gbr gbs gbu gca gcb gcc gce gcg gci gcn gco gcr gcs gcu ge- gea geb gec gee geg gei gen geo ger ges geu gga ggb ggc ggg ggi ggn ggo ggr ggs ggu gia gib gic gie gig gii gin gio gir gis giu gna gnb gnc gne gni gnn gno gnr gns gnu goa gob goc goe gog goi gon goo gor gos gou gra grb grc gre grg gri grn gro grr grs gru gsa gsb gsc gse gsg gsi gsn gso gsr gss gsu gu- gua gub guc gue gug gui gun guo gur gus guu ia- iaa iab iac iae iag iai ian iao iar ias iau iba ibb ibc ibe ibg ibi ibn ibo ibr ibs ibu ica icb icc ice icg ici icn ico icr ics icu ie- iea iec iee ieg iei ien ier ies iga igb igc ige igg igi ign igo igr igs igu iia iib iic iie iii iin iio iir iis iiu in- ina inb inc ine ing ini inn ino inr ins inu io- ioa iob ioc ioe iog ioi ion ioo ior ios iou ir- ira irb irc ire irg iri irn iro irr irs iru is- isa isb isc ise isg isi isn iso isr iss isu iu- iua iub iuc iue iug iui iur ius n-i naa nab nac nae nag nai nan nao nar nas nau nba nbb nbc nbe nbg nbi nbn nbo nbr nbs nbu nca ncb ncc nce ncg nci ncn nco ncr ncs ncu ne- nea neb nec nee neg nei nen neo ner nes neu nga ngb ngc nge ngg ngi ngn ngo ngs ngu nia nib nic nie nig nii nin nio nir nis niu nna nnb nnc nne nng nni nnn nno nns nnu no- noa nob noc noe nog noi non noo nor nos nou nra nrb nrc nre nrg nri nrn nro nrr nrs nru nsa nsb nsc nse nsg nsi nsn nso nsr nss nsu nua nub nuc nue nug nui nun nuo nur nus nuu o-i oaa oab oac oae oag oai oan oao oar oas oau ob- oba obb obc obe obg obi obn obo obr obs obu oc- oca ocb occ ocg oci ocn oco ocr ocs ocu oea oeb oec oee oeg oei oen oeo oer oes oga ogc oge ogg ogi ogn ogo ogs oia oib oic oie oii oin oio oir ois oiu on- ona onb onc one ong oni onn ono onr ons onu oo- ooa oob ooc oog ooi oon ooo oor oos or- ora orb orc ore org ori orn oro orr ors oru os- osa osb osc ose osg osi osn oso osr oss osu ou- oua ouc oue oui oun ouo our ous ra- raa rab rac rae rag rai ran rao rar ras rau rba rbb