-er -ic a-a a-b a-c a-i aaa aab aac aae aag aai aar aas aau ab- aba abb abc abe abg abi abr abs abu ac- aca acb acc ace acg aci acr acs acu aea aeb aec aee aeg aei aer aes aeu ag- aga agb agc age agg agi agr ags agu ai- aia aib aic aie aig aii air ais aiu ar- ara arb arc are arg ari arr ars aru as- asa asb asc ase asg asi asr ass asu au- aua aub auc aue aug aui aur aus b-u baa bab bac bae bag bai bar bas bau bba bbb bbc bbe bbg bbi bbr bbs bbu bca bcb bcc bce bcg bci bcr bcs bcu be- bea beb bec bee beg bei ber bes beu bga bgb bgc bge bgg bgi bgr bgs bgu bi- bia bib bic bie big bii bir bis biu bra brb bre brg bri brr brs bru bsa bsb bsc bse bsg bsi bsr bss bsu bua bub buc bue bug bui bur bus buu c-- caa cab cac cae cag cai car cas cau cba cbb cbc cbe cbg cbi cbr cbs cbu cca ccb ccc cce ccg cci ccr ccs ccu ce- cea ceb cec cee ceg cei cer ces ceu cga cgb cgc cge cgg cgi cgr cgs cgu ci- cia cib cic cie cig cii cir cis ciu cra crb crc cre crg cri crr crs cru csa csb csc cse csg csi csr css csu cua cub cuc cue cug cui cur cus cuu eaa eab eac eae eag eai ear eas eau eba ebb ebc ebe ebg ebi ebr ebs ebu ec- eca ecb ecc ece ecg eci ecr ecs ecu eea eeb eec eee eeg eer ees ega egb egc ege egg egi egr egs egu eia eib eic eie eig eii eir eis eiu era erb erc ere erg eri err ers eru es- esa esb esc ese esg esi esr ess esu eu- eua eub euc eue eug eui eur eus gaa gab gac gae gag gai gar gas gau gba gbc gbe gbg gbi gbr gbs gbu gca gcb gcc gce gcg gci gcr gcs gcu ge- gea geb gec gee geg gei ger ges geu gga ggb ggc ggg ggi ggr ggs ggu gia gib gic gie gig gii gir gis giu gra grb grc gre grg gri grr grs gru gsa gsb gsc gse gsg gsi gsr gss gsu gu- gua gub guc gue gug gui gur gus guu ia- iaa iab iac iae iag iai iar ias iau iba ibb ibc ibe ibg ibi ibr ibs ibu ica icb icc ice icg ici icr ics icu ie- iea iec iee ieg iei ier ies iga igb igc ige igg igi igr igs igu iia iib iic iie iii iir iis iiu ir- ira irb irc ire irg iri irr irs iru is- isa isb isc ise isg isi isr iss isu iu- iua iub iuc iue iug iui iur ius ra- raa rab rac rae rag rai rar ras rau rba rbb rbc rbe rbg rbi rbr rbs rbu rca rcb rcc rce rcg rci rcr rcs rcu re- rea reb rec ree reg rei rer res reu rga rgb rgc rge rgg rgi rgr rgs ria rib ric rie rig rii rir ris rra rrb rrc rrg rri rrr rrs rru rsa rsb rsc rse rsg rsi rsr rss rsu rua rub ruc rue rug rui rur rus ruu saa sab sac sae sag sai sar sas sau sba sbb sbc sbe sbg sbi sbr sbs sbu sca scb scc sce scg sci scr scs scu se- sea seb sec see seg sei ser ses seu sga sgb sgc sge sgg sgi sgr sgs sgu sia sib sic sie sig sii sir sis siu sr- sra srb src sre srg sri srr srs ss- ssa ssb ssc sse ssg ssi ssr sss ssu sua sub suc sue sug sui sur sus suu ua- uaa uab uac uae uag uai uar uas uau uba ubb ubc ube ubg ubi ubr ubs ubu uca ucb ucc uce ucg uci ucr ucs ucu uea ueb uec uee ueg uei uer ues uga ugb ugc uge ugg ugi ugr ugs ugu uia uib uic uie uig uii uir uis uiu ur- ura urb urc ure urg uri urr urs uru usa usb usc use usg usi usr uss usu uua uuc uue uug uur uus uuu

-ase a-be a-ii aaaa aaab aaac aaae aaai aaar aaas aaba aabb aabc aabi aaca aacb aacc aace aaci aacr aacs aacu aaea aaec aaes aage aaib aaic aaii aais aara aarc aare aari aars aaru aasa aasc aase aasi aass aasu aaus abaa abab abac abae abag abai abar abas abau abb- abba abbb abbe abbi abbr abbs abca abcb abcc abci abcr abcs abec abee aber abes abia abib abic abie abig abir abis abiu abra abrc abri abrs abs- absa abse absi abss absu abua abue abug abus acaa acab acac acae acag acai acar acas acba acca accc acce acci accs accu ace- acea acec acer aces acga acgi acgr acgs aci- acia acic acie acir acis acr- acra acrc acre acri acrr acrs acsa acsc acse acsi acss acu- acue acur acus aeac aeas aebi aebs aecb aeci aeer aega aer- aera aerc aeri aers aesc aess agac agag agai agar agas agau agba agca agcc agce agea agee agei ager ages agga agge aggi aggu agia agib agic agie agig agii agir agis agra agre agri agsa agsg agsu agua ague agui agur agus aiai aias aiba aica aicc aice aicr aics aiea aiee aiga aiia aiib aiic aiir aira aire airi airs aisa aisb aise aisg aisi aisr aiui arab arac arae arag arai arar aras arau arba arbe arbi arbs arc- arca arce arci arcs area arec aree areg arei ares areu arga argb arge argi args aria arib arie arig arii aris arr- arra