-er -ic a-a a-b a-c a-i a-t aaa aab aac aad aae aag aai aao aar aas aat aau ab- aba abb abc abd abe abg abi abo abr abs abt abu ac- aca acb acc acd ace acg aci aco acr acs act acu ad- ada adb adc add ade adg adi ado adr ads adt adu aea aeb aec aed aee aeg aei aeo aer aes aet aeu ag- aga agb agc agd age agg agi ago agr ags agt agu ai- aia aib aic aid aie aig aii aio air ais ait aiu aoa aob aoc aod aoe aog aoi aoo aor aos aot aou ar- ara arb arc ard are arg ari aro arr ars art aru as- asa asb asc asd ase asg asi aso asr ass ast asu at- ata atb atc atd ate atg ati ato atr ats att atu au- aua aub auc aud aue aug aui auo aur aus aut b-u baa bab bac bad bae bag bai bao bar bas bat bau bba bbb bbc bbd bbe bbg bbi bbo bbr bbs bbt bbu bca bcb bcc bcd bce bcg bci bco bcr bcs bct bcu bda bdb bdc bdd bde bdg bdi bdo bdr bds bdt bdu be- bea beb bec bed bee beg bei beo ber bes bet beu bga bgb bgc bgd bge bgg bgi bgo bgr bgs bgt bgu bi- bia bib bic bid bie big bii bio bir bis bit biu boa bob boc bod boe bog boi boo bor bos bot bou bra brb brd bre brg bri bro brr brs brt bru bsa bsb bsc bsd bse bsg bsi bso bsr bss bst bsu bta btb btc btd bte btg bti bto btr bts btt btu bua bub buc bud bue bug bui buo bur bus but buu c-- caa cab cac cad cae cag cai cao car cas cat cau cba cbb cbc cbd cbe cbg cbi cbo cbr cbs cbt cbu cca ccb ccc ccd cce ccg cci cco ccr ccs cct ccu cda cdb cdc cdd cde cdg cdi cdo cdr cds cdt cdu ce- cea ceb cec ced cee ceg cei ceo cer ces cet ceu cga cgb cgc cgd cge cgg cgi cgo cgr cgs cgt cgu ci- cia cib cic cid cie cig cii cio cir cis cit ciu co- coa cob coc cod coe cog coi coo cor cos cot cou cra crb crc crd cre crg cri cro crr crs crt cru csa csb csc csd cse csg csi cso csr css cst csu cta ctb ctc ctd cte ctg cti cto ctr cts ctt ctu cua cub cuc cud cue cug cui cuo cur cus cut cuu daa dab dac dad dae dag dai dao dar das dat dau dba dbb dbc dbd dbe dbg dbi dbo dbr dbs dbt dbu dca dcb dcc dcd dce dcg dci dco dcr dcs dct dcu dda ddb ddc ddd dde ddg ddi ddo ddr dds ddt ddu de- dea deb dec ded dee deg dei deo der des det deu dga dgc dgd dge dgg dgi dgr dgs dgt dgu di- dia dib dic did die dig dii dio dir dis dit diu doa dob doc dod doe dog doi doo dor dos dot dou dra drb drc drd dre drg dri dro drr drs drt dru dsa dsb dsc dsd dse dsg dsi dso dsr dss dst dsu dta dtb dtc dtd dte dtg dti dto dtr dts dtt dtu dua dub duc dud due dug dui duo dur dus dut eaa eab eac ead eae eag eai eao ear eas eat eau eba ebb ebc ebd ebe ebg ebi ebo ebr ebs ebt ebu ec- eca ecb ecc ecd ece ecg eci eco ecr ecs ect ecu ed- eda edb edc edd ede edg edi edo edr eds edt edu eea eeb eec eed eee eeg eeo eer ees eet ega egb egc egd ege egg egi ego egr egs egt egu eia eib eic eid eie eig eii eio eir eis eit eiu eo- eoa eob eoc eod eoe eog eoi eoo eor eos eot eou era erb erc erd ere erg eri ero err ers ert eru es- esa esb esc esd ese esg esi eso esr ess est esu eta etb etc etd ete etg eti eto etr ets ett etu eu- eua eub euc eud eue eug eui eur eus eut g-d gaa gab gac gad gae gag gai gao gar gas gat gau gba gbc gbd gbe gbg gbi gbo gbr gbs gbt gbu gca gcb gcc gcd gce gcg gci gco gcr gcs gct gcu gda gdb gdc gdd gde gdi gdo gdr gds gdt gdu ge- gea geb gec ged gee geg gei geo ger ges get geu gga ggb ggc ggd ggg ggi ggo ggr ggs ggt ggu gia gib gic gid gie gig gii gio gir gis git giu goa gob goc god goe gog goi goo gor gos got gou gra grb grc grd gre grg gri gro grr grs grt gru gsa gsb gsc gsd gse gsg gsi gso gsr gss gst gsu gta gtb gtc gtd gte gtg gti gto gtr gts gtt gtu gu- gua gub guc gud gue gug gui guo gur gus gut guu i-d ia- iaa iab iac iad iae iag iai iao iar ias iat iau iba ibb ibc ibd ibe ibg ibi ibo ibr ibs ibt ibu ica icb icc icd ice icg ici ico icr ics ict icu ida idb idc idd ide idg idi ido idr ids idt idu ie- iea iec ied iee ieg iei ier ies iet iga igb igc igd ige igg igi igo igr igs igt igu iia iib iic iid iie iii iio iir iis iit iiu io- ioa iob ioc iod ioe iog ioi ioo ior ios iot iou ir- ira irb irc ird ire irg iri iro irr irs irt iru is- isa isb isc isd ise