-er -ic a-a a-b a-c a-i aaa aab aac aae aag aai aam aar aas aau ab- aba abb abc abe abg abi abm abr abs abu ac- aca acb acc ace acg aci acm acr acs acu aea aeb aec aee aeg aei aem aer aes aeu ag- aga agb agc age agg agi agm agr ags agu ai- aia aib aic aie aig aii aim air ais aiu ama amb amc ame amg ami amm amr ams amu ar- ara arb arc are arg ari arm arr ars aru as- asa asb asc ase asg asi asm asr ass asu au- aua aub auc aue aug aui aum aur aus b-u baa bab bac bae bag bai bam bar bas bau bba bbb bbc bbe bbg bbi bbm bbr bbs bbu bca bcb bcc bce bcg bci bcm bcr bcs bcu be- bea beb bec bee beg bei bem ber bes beu bga bgb bgc bge bgg bgi bgm bgr bgs bgu bi- bia bib bic bie big bii bim bir bis biu bma bmb bmc bme bmg bmi bmm bmr bms bmu bra brb bre brg bri brm brr brs bru bsa bsb bsc bse bsg bsi bsm bsr bss bsu bua bub buc bue bug bui bum bur bus buu c-- caa cab cac cae cag cai cam car cas cau cba cbb cbc cbe cbg cbi cbm cbr cbs cbu cca ccb ccc cce ccg cci ccm ccr ccs ccu ce- cea ceb cec cee ceg cei cem cer ces ceu cga cgb cgc cge cgg cgi cgm cgr cgs cgu ci- cia cib cic cie cig cii cim cir cis ciu cma cmb cmc cme cmg cmi cmm cmr cms cmu cra crb crc cre crg cri crm crr crs cru csa csb csc cse csg csi csm csr css csu cua cub cuc cue cug cui cum cur cus cuu eaa eab eac eae eag eai eam ear eas eau eba ebb ebc ebe ebg ebi ebm ebr ebs ebu ec- eca ecb ecc ece ecg eci ecm ecr ecs ecu eea eeb eec eee eeg eem eer ees ega egb egc ege egg egi egm egr egs egu eia eib eic eie eig eii eim eir eis eiu em- ema emb emc eme emg emi emm emr ems emu era erb erc ere erg eri erm err ers eru es- esa esb esc ese esg esi esm esr ess esu eu- eua eub euc eue eug eui eur eus gaa gab gac gae gag gai gam gar gas gau gba gbc gbe gbg gbi gbm gbr gbs gbu gca gcb gcc gce gcg gci gcm gcr gcs gcu ge- gea geb gec gee geg gei gem ger ges geu gga ggb ggc ggg ggi ggm ggr ggs ggu gia gib gic gie gig gii gim gir gis giu gma gmb gmc gme gmg gmi gmm gmr gms gra grb grc gre grg gri grm grr grs gru gsa gsb gsc gse gsg gsi gsm gsr gss gsu gu- gua gub guc gue gug gui gum gur gus guu ia- iaa iab iac iae iag iai iam iar ias iau iba ibb ibc ibe ibg ibi ibm ibr ibs ibu ica icb icc ice icg ici icm icr ics icu ie- iea iec iee ieg iei iem ier ies iga igb igc ige igg igi igm igr igs igu iia iib iic iie iii iim iir iis iiu im- ima imb imc ime img imi imm ims imu ir- ira irb irc ire irg iri irm irr irs iru is- isa isb isc ise isg isi ism isr iss isu iu- iua iub iuc iue iug iui ium iur ius m-r maa mab mac mae mag mai mam mar mas mau mba mbb mbc mbe mbg mbi mbm mbr mbs mbu mc- mca mcb mcc mce mcg mci mcm mcr mcs mcu mea meb mec mee meg mei mem mer mes meu mga mgb mgc mge mgi mgm mgr mgs mgu mi- mia mib mic mie mig mii mim mir mis miu mma mmb mmc mme mmg mmi mmm mmr mms mmu mra mrb mrc mre mrg mri mrm mrr mrs mru msa msb msc mse msg msi msm msr mss msu mua mub muc mue mug mui mum mur mus muu ra- raa rab rac rae rag rai ram rar ras rau rba rbb rbc rbe rbg rbi rbm rbr rbs rbu rca rcb rcc rce rcg rci rcm rcr rcs rcu re- rea reb rec ree reg rei rem rer res reu rga rgb rgc rge rgg rgi rgr rgs ria rib ric rie rig rii rim rir ris rma rmb rmc rme rmg rmi rmm rmr rms rra rrb rrc rrg rri rrm rrr rrs rru rsa rsb rsc rse rsg rsi rsm rsr rss rsu rua rub ruc rue rug rui rum rur rus ruu saa sab sac sae sag sai sam sar sas sau sba sbb sbc sbe sbg sbi sbm sbr sbs sbu sca scb scc sce scg sci scm scr scs scu se- sea seb sec see seg sei sem ser ses seu sga sgb sgc sge sgg sgi sgm sgr sgs sgu sia sib sic sie sig sii sim sir sis siu sma smb smc sme smg smi smm smr sms smu sr- sra srb src sre srg sri srm srr srs ss- ssa ssb ssc sse ssg ssi ssm ssr sss ssu sua sub suc sue sug sui sum sur sus suu ua- uaa uab uac uae uag uai uam uar uas uau uba ubb ubc ube ubg ubi ubr ubs ubu uca ucb ucc uce ucg uci ucm ucr ucs ucu uea ueb uec uee ueg uei uem uer ues uga ugb ugc uge ugg ugi ugm ugr ugs ugu uia uib uic uie uig uii uim uir uis uiu um- uma umb umc ume umg umi umm umr ums umu ur- ura urb urc ure urg uri urm urr urs uru usa