-er -ic a-a a-b a-c a-i aaa aab aac aae aag aai aam aar aau ab- aba abb abc abe abg abi abm abr abu ac- aca acb acc ace acg aci acm acr acu aea aeb aec aee aeg aei aem aer aeu ag- aga agb agc age agg agi agm agr agu ai- aia aib aic aie aig aii aim air aiu ama amb amc ame amg ami amm amr amu ar- ara arb arc are arg ari arm arr aru au- aua aub auc aue aug aui aum aur b-u baa bab bac bae bag bai bam bar bau bba bbb bbc bbe bbg bbi bbm bbr bbu bca bcb bcc bce bcg bci bcm bcr bcu be- bea beb bec bee beg bei bem ber beu bga bgb bgc bge bgg bgi bgm bgr bgu bi- bia bib bic bie big bii bim bir biu bma bmb bmc bme bmg bmi bmm bmr bmu bra brb bre brg bri brm brr bru bua bub buc bue bug bui bum bur buu c-- caa cab cac cae cag cai cam car cau cba cbb cbc cbe cbg cbi cbm cbr cbu cca ccb ccc cce ccg cci ccm ccr ccu ce- cea ceb cec cee ceg cei cem cer ceu cga cgb cgc cge cgg cgi cgm cgr cgu ci- cia cib cic cie cig cii cim cir ciu cma cmb cmc cme cmg cmi cmm cmr cmu cra crb crc cre crg cri crm crr cru cua cub cuc cue cug cui cum cur cuu eaa eab eac eae eag eai eam ear eau eba ebb ebc ebe ebg ebi ebm ebr ebu ec- eca ecb ecc ece ecg eci ecm ecr ecu eea eeb eec eee eeg eem eer ega egb egc ege egg egi egm egr egu eia eib eic eie eig eii eim eir eiu em- ema emb emc eme emg emi emm emr emu era erb erc ere erg eri erm err eru eu- eua eub euc eue eug eui eur gaa gab gac gae gag gai gam gar gau gba gbc gbe gbg gbi gbm gbr gbu gca gcb gcc gce gcg gci gcm gcr gcu ge- gea geb gec gee geg gei gem ger geu gga ggb ggc ggg ggi ggm ggr ggu gia gib gic gie gig gii gim gir giu gma gmb gmc gme gmg gmi gmm gmr gra grb grc gre grg gri grm grr gru gu- gua gub guc gue gug gui gum gur guu ia- iaa iab iac iae iag iai iam iar iau iba ibb ibc ibe ibg ibi ibm ibr ibu ica icb icc ice icg ici icm icr icu ie- iea iec iee ieg iei iem ier iga igb igc ige igg igi igm igr igu iia iib iic iie iii iim iir iiu im- ima imb imc ime img imi imm imu ir- ira irb irc ire irg iri irm irr iru iu- iua iub iuc iue iug iui ium iur m-r maa mab mac mae mag mai mam mar mau mba mbb mbc mbe mbg mbi mbm mbr mbu mc- mca mcb mcc mce mcg mci mcm mcr mcu mea meb mec mee meg mei mem mer meu mga mgb mgc mge mgi mgm mgr mgu mi- mia mib mic mie mig mii mim mir miu mma mmb mmc mme mmg mmi mmm mmr mmu mra mrb mrc mre mrg mri mrm mrr mru mua mub muc mue mug mui mum mur muu ra- raa rab rac rae rag rai ram rar rau rba rbb rbc rbe rbg rbi rbm rbr rbu rca rcb rcc rce rcg rci rcm rcr rcu re- rea reb rec ree reg rei rem rer reu rga rgb rgc rge rgg rgi rgr ria rib ric rie rig rii rim rir rma rmb rmc rme rmg rmi rmm rmr rra rrb rrc rrg rri rrm rrr rru rua rub ruc rue rug rui rum rur ruu ua- uaa uab uac uae uag uai uam uar uau uba ubb ubc ube ubg ubi ubr ubu uca ucb ucc uce ucg uci ucm ucr ucu uea ueb uec uee ueg uei uem uer uga ugb ugc uge ugg ugi ugm ugr ugu uia uib uic uie uig uii uim uir uiu um- uma umb umc ume umg umi umm umr umu ur- ura urb urc ure urg uri urm urr uru uua uuc uue uug uum uur uuu