-er -ic a-a a-b a-c a-i a-t aaa aab aac aae aag aai aam aao aar aat aau ab- aba abb abc abe abg abi abm abo abr abt abu ac- aca acb acc ace acg aci acm aco acr act acu aea aeb aec aee aeg aei aem aeo aer aet aeu ag- aga agb agc age agg agi agm ago agr agt agu ai- aia aib aic aie aig aii aim aio air ait aiu ama amb amc ame amg ami amm amo amr amt amu aoa aob aoc aoe aog aoi aom aoo aor aot aou ar- ara arb arc are arg ari arm aro arr art aru at- ata atb atc ate atg ati atm ato atr att atu au- aua aub auc aue aug aui aum auo aur aut b-u baa bab bac bae bag bai bam bao bar bat bau bba bbb bbc bbe bbg bbi bbm bbo bbr bbt bbu bca bcb bcc bce bcg bci bcm bco bcr bct bcu be- bea beb bec bee beg bei bem beo ber bet beu bga bgb bgc bge bgg bgi bgm bgo bgr bgt bgu bi- bia bib bic bie big bii bim bio bir bit biu bma bmb bmc bme bmg bmi bmm bmo bmr bmt bmu boa bob boc boe bog boi bom boo bor bot bou bra brb bre brg bri brm bro brr brt bru bta btb btc bte btg bti btm bto btr btt btu bua bub buc bue bug bui bum buo bur but buu c-- caa cab cac cae cag cai cam cao car cat cau cba cbb cbc cbe cbg cbi cbm cbo cbr cbt cbu cca ccb ccc cce ccg cci ccm cco ccr cct ccu ce- cea ceb cec cee ceg cei cem ceo cer cet ceu cga cgb cgc cge cgg cgi cgm cgo cgr cgt cgu ci- cia cib cic cie cig cii cim cio cir cit ciu cma cmb cmc cme cmg cmi cmm cmo cmr cmt cmu co- coa cob coc coe cog coi com coo cor cot cou cra crb crc cre crg cri crm cro crr crt cru cta ctb ctc cte ctg cti ctm cto ctr ctt ctu cua cub cuc cue cug cui cum cuo cur cut cuu eaa eab eac eae eag eai eam eao ear eat eau eba ebb ebc ebe ebg ebi ebm ebo ebr ebt ebu ec- eca ecb ecc ece ecg eci ecm eco ecr ect ecu eea eeb eec eee eeg eem eeo eer eet ega egb egc ege egg egi egm ego egr egt egu eia eib eic eie eig eii eim eio eir eit eiu em- ema emb emc eme emg emi emm emo emr emt emu eo- eoa eob eoc eoe eog eoi eom eoo eor eot eou era erb erc ere erg eri erm ero err ert eru eta etb etc ete etg eti etm eto etr ett etu eu- eua eub euc eue eug eui eur eut gaa gab gac gae gag gai gam gao gar gat gau gba gbc gbe gbg gbi gbm gbo gbr gbt gbu gca gcb gcc gce gcg gci gcm gco gcr gct gcu ge- gea geb gec gee geg gei gem geo ger get geu gga ggb ggc ggg ggi ggm ggo ggr ggt ggu gia gib gic gie gig gii gim gio gir git giu gma gmb gmc gme gmg gmi gmm gmo gmr gmt goa gob goc goe gog goi gom goo gor got gou gra grb grc gre grg gri grm gro grr grt gru gta gtb gtc gte gtg gti gtm gto gtr gtt gtu gu- gua gub guc gue gug gui gum guo gur gut guu ia- iaa iab iac iae iag iai iam iao iar iat iau iba ibb ibc ibe ibg ibi ibm ibo ibr ibt ibu ica icb icc ice icg ici icm ico icr ict icu ie- iea iec iee ieg iei iem ier iet iga igb igc ige igg igi igm igo igr igt igu iia iib iic iie iii iim iio iir iit iiu im- ima imb imc ime img imi imm imo imt imu io- ioa iob ioc ioe iog ioi iom ioo ior iot iou ir- ira irb irc ire irg iri irm iro irr irt iru ita itb itc ite itg iti itm ito itt itu iu- iua iub iuc iue iug iui ium iur iut m-o m-r maa mab mac mae mag mai mam mao mar mat mau mba mbb mbc mbe mbg mbi mbm mbo mbr mbt mbu mc- mca mcb mcc mce mcg mci mcm mco mcr mct mcu mea meb mec mee meg mei mem meo mer met meu mga mgb mgc mge mgi mgm mgo mgr mgt mgu mi- mia mib mic mie mig mii mim mio mir mit miu mma mmb mmc mme mmg mmi mmm mmo mmr mmt mmu moa mob moc moe mog moi mom moo mor mot mou mra mrb mrc mre mrg mri mrm mro mrr mrt mru mta mtb mtc mte mtg mti mtm mto mtr mtt mtu mua mub muc mue mug mui mum mur mut muu o-i oaa oab oac oae oag oai oam oao oar oat oau ob- oba obb obc obe obg obi obm obo obr obt obu oc- oca ocb occ ocg oci ocm oco ocr oct ocu oea oeb oec oee oeg oei oem oeo oer oet oga ogc oge ogg ogi ogo ogt oia oib oic oie oii oim oio oir oit oiu om- oma omb omc ome omg omi omm omo omr omt omu oo- ooa oob ooc oog ooi oom ooo oor oot or- ora orb orc ore org ori orm oro orr ort oru ot- ota otb otc ote otg oti otm oto otr ott otu ou- oua ouc oue oui oum ouo our out ra- raa rab rac rae rag rai ram rao rar rat rau rba rbb rbc rbe rbg rbi rbm