-er -ic a-a a-b a-c a-i aaa aab aac aad aae aag aai aan aao aar aas aau ab- aba abb abc abd abe abg abi abn abo abr abs abu ac- aca acb acc acd ace acg aci acn aco acr acs acu ad- ada adb adc add ade adg adi adn ado adr ads adu aea aeb aec aed aee aeg aei aen aeo aer aes aeu ag- aga agb agc agd age agg agi agn ago agr ags agu ai- aia aib aic aid aie aig aii ain aio air ais aiu an- ana anb anc and ane ang ani ann ano anr ans anu aoa aob aoc aod aoe aog aoi aon aoo aor aos aou ar- ara arb arc ard are arg ari arn aro arr ars aru as- asa asb asc asd ase asg asi asn aso asr ass asu au- aua aub auc aud aue aug aui aun auo aur aus b-u baa bab bac bad bae bag bai ban bao bar bas bau bba bbb bbc bbd bbe bbg bbi bbn bbo bbr bbs bbu bca bcb bcc bcd bce bcg bci bcn bco bcr bcs bcu bda bdb bdc bdd bde bdg bdi bdo bdr bds bdu be- bea beb bec bed bee beg bei ben beo ber bes beu bga bgb bgc bgd bge bgg bgi bgn bgo bgr bgs bgu bi- bia bib bic bid bie big bii bin bio bir bis biu bna bnb bnc bnd bne bng bni bnn bno bnr bns bnu boa bob boc bod boe bog boi bon boo bor bos bou bra brb brd bre brg bri brn bro brr brs bru bsa bsb bsc bsd bse bsg bsi bsn bso bsr bss bsu bua bub buc bud bue bug bui bun buo bur bus buu c-- caa cab cac cad cae cag cai can cao car cas cau cba cbb cbc cbd cbe cbg cbi cbn cbo cbr cbs cbu cca ccb ccc ccd cce ccg cci ccn cco ccr ccs ccu cda cdb cdc cdd cde cdg cdi cdn cdo cdr cds cdu ce- cea ceb cec ced cee ceg cei cen ceo cer ces ceu cga cgb cgc cgd cge cgg cgi cgn cgo cgr cgs cgu ci- cia cib cic cid cie cig cii cin cio cir cis ciu cn- cna cnb cnc cnd cne cng cni cnn cno cnr cns cnu co- coa cob coc cod coe cog coi con coo cor cos cou cra crb crc crd cre crg cri crn cro crr crs cru csa csb csc csd cse csg csi csn cso csr css csu cua cub cuc cud cue cug cui cun cuo cur cus cuu daa dab dac dad dae dag dai dan dao dar das dau dba dbb dbc dbd dbe dbg dbi dbn dbo dbr dbs dbu dca dcb dcc dcd dce dcg dci dcn dco dcr dcs dcu dda ddb ddc ddd dde ddg ddi ddn ddo ddr dds ddu de- dea deb dec ded dee deg dei den deo der des deu dga dgc dgd dge dgg dgi dgn dgr dgs dgu di- dia dib dic did die dig dii din dio dir dis diu dna dnb dnc dnd dne dng dni dnn dno dnr dns doa dob doc dod doe dog doi don doo dor dos dou dra drb drc drd dre drg dri drn dro drr drs dru dsa dsb dsc dsd dse dsg dsi dsn dso dsr dss dsu dua dub duc dud due dug dui dun duo dur dus eaa eab eac ead eae eag eai ean eao ear eas eau eba ebb ebc ebd ebe ebg ebi ebn ebo ebr ebs ebu ec- eca ecb ecc ecd ece ecg eci ecn eco ecr ecs ecu ed- eda edb edc edd ede edg edi edn edo edr eds edu eea eeb eec eed eee eeg een eeo eer ees ega egb egc egd ege egg egi egn ego egr egs egu eia eib eic eid eie eig eii ein eio eir eis eiu en- ena enb enc end ene eng eni enn eno enr ens enu eo- eoa eob eoc eod eoe eog eoi eon eoo eor eos eou era erb erc erd ere erg eri ern ero err ers eru es- esa esb esc esd ese esg esi esn eso esr ess esu eu- eua eub euc eud eue eug eui eun eur eus g-d gaa gab gac gad gae gag gai gan gao gar gas gau gba gbc gbd gbe gbg gbi gbn gbo gbr gbs gbu gca gcb gcc gcd gce gcg gci gcn gco gcr gcs gcu gda gdb gdc gdd gde gdi gdn gdo gdr gds gdu ge- gea geb gec ged gee geg gei gen geo ger ges geu gga ggb ggc ggd ggg ggi ggn ggo ggr ggs ggu gia gib gic gid gie gig gii gin gio gir gis giu gna gnb gnc gnd gne gni gnn gno gnr gns gnu goa gob goc god goe gog goi gon goo gor gos gou gra grb grc grd gre grg gri grn gro grr grs gru gsa gsb gsc gsd gse gsg gsi gsn gso gsr gss gsu gu- gua gub guc gud gue gug gui gun guo gur gus guu i-d ia- iaa iab iac iad iae iag iai ian iao iar ias iau iba ibb ibc ibd ibe ibg ibi ibn ibo ibr ibs ibu ica icb icc icd ice icg ici icn ico icr ics icu ida idb idc idd ide idg idi idn ido idr ids idu ie- iea iec ied iee ieg iei ien ier ies iga igb igc igd ige igg igi ign igo igr igs igu iia iib iic iid iie iii iin iio iir iis iiu in- ina inb inc ind ine ing ini inn ino inr ins inu io- ioa iob ioc iod ioe iog ioi ion ioo ior ios iou ir- ira irb irc ird ire irg iri