-er -ey -ic a-a a-b a-c a-i aaa aab aac aae aag aai aar aau aay ab- aba abb abc abe abg abi abr abu aby ac- aca acb acc ace acg aci acr acu acy aea aeb aec aee aeg aei aer aeu aey ag- aga agb agc age agg agi agr agu agy ai- aia aib aic aie aig aii air aiu aiy ar- ara arb arc are arg ari arr aru ary au- aua aub auc aue aug aui aur ay- aya ayc aye ayi ayr ayu b-u baa bab bac bae bag bai bar bau bay bba bbb bbc bbe bbg bbi bbr bbu bby bca bcb bcc bce bcg bci bcr bcu bcy be- bea beb bec bee beg bei ber beu bey bga bgb bgc bge bgg bgi bgr bgu bi- bia bib bic bie big bii bir biu biy bra brb bre brg bri brr bru bry bua bub buc bue bug bui bur buu buy by- bya byc bye byg byi byr byu c-- caa cab cac cae cag cai car cau cay cba cbb cbc cbe cbg cbi cbr cbu cby cca ccb ccc cce ccg cci ccr ccu ce- cea ceb cec cee ceg cei cer ceu cey cga cgb cgc cge cgg cgi cgr cgu cgy ci- cia cib cic cie cig cii cir ciu cra crb crc cre crg cri crr cru cry cua cub cuc cue cug cui cur cuu cuy cya cyb cyc cye cyg cyr eaa eab eac eae eag eai ear eau eba ebb ebc ebe ebg ebi ebr ebu eby ec- eca ecb ecc ece ecg eci ecr ecu eea eeb eec eee eeg eer eey ega egb egc ege egg egi egr egu egy eia eib eic eie eig eii eir eiu era erb erc ere erg eri err eru ery eu- eua eub euc eue eug eui eur eya eyc eye eyr gaa gab gac gae gag gai gar gau gay gba gbc gbe gbg gbi gbr gbu gby gca gcb gcc gce gcg gci gcr gcu ge- gea geb gec gee geg gei ger geu gey gga ggb ggc ggg ggi ggr ggu gia gib gic gie gig gii gir giu giy gra grb grc gre grg gri grr gru gry gu- gua gub guc gue gug gui gur guu guy gy- gya gyb gye gyr ia- iaa iab iac iae iag iai iar iau iba ibb ibc ibe ibg ibi ibr ibu iby ica icb icc ice icg ici icr icu icy ie- iea iec iee ieg iei ier iey iga igb igc ige igg igi igr igu igy iia iib iic iie iii iir iiu ir- ira irb irc ire irg iri irr iru iry iu- iua iub iuc iue iug iui iur iya iyc iye iyr iyy ra- raa rab rac rae rag rai rar rau ray rba rbb rbc rbe rbg rbi rbr rbu rca rcb rcc rce rcg rci rcr rcu re- rea reb rec ree reg rei rer reu rey rga rgb rgc rge rgg rgi rgr ria rib ric rie rig rii rir riy rra rrb rrc rrg rri rrr rru rua rub ruc rue rug rui rur ruu ruy ry- rya ryc rye ryg ryr ryu ryy ua- uaa uab uac uae uag uai uar uau uay uba ubb ubc ube ubg ubi ubr ubu uby uca ucb ucc uce ucg uci ucr ucu uea ueb uec uee ueg uei uer uey uga ugb ugc uge ugg ugi ugr ugu uia uib uic uie uig uii uir uiu ur- ura urb urc ure urg uri urr uru ury uua uuc uue uug uur uuu uyc uyi uyu yaa yab yac yae yag yai yar yau yay ybc ybe ybg ybi ybr yby yca ycc yce yci ycu ycy yea yeb yec yee yeg yei yer yey yga ygc yie yig yii yir yra yrc yre yrg yru yua yue yug yui yur yuu yuy yyb yyc yye yyg yyu yyy