-er a-a a-b a-c aaa aab aac aae aag aah aan aao aar aas aau aaw ab- aba abb abc abe abg abh abn abo abr abs abu abw ac- aca acb acc ace acg ach acn aco acr acs acu acw aea aeb aec aee aeg aeh aen aeo aer aes aeu aew ag- aga agb agc age agg agh agn ago agr ags agu agw aha ahb ahc ahe ahg ahh ahn aho ahr ahs ahu ahw an- ana anb anc ane ang anh ann ano anr ans anu aoa aob aoc aoe aog aoh aon aoo aor aos aou aow ar- ara arb arc are arg arh arn aro arr ars aru arw as- asa asb asc ase asg ash asn aso asr ass asu asw au- aua aub auc aue aug auh aun auo aur aus auw aw- awa awb awc awe awg awh awn awo awr aws awu aww b-u baa bab bac bae bag bah ban bao bar bas bau baw bba bbb bbc bbe bbg bbh bbn bbo bbr bbs bbu bbw bca bcb bcc bce bcg bch bcn bco bcr bcs bcu be- bea beb bec bee beg beh ben beo ber bes beu bew bga bgb bgc bge bgg bgh bgn bgo bgr bgs bgu bgw bha bhb bhc bhe bhg bhh bho bhr bhs bhu bhw bna bnb bnc bne bng bnn bno bnr bns bnu bnw boa bob boc boe bog boh bon boo bor bos bou bow bra brb bre brg brh brn bro brr brs bru brw bsa bsb bsc bse bsg bsh bsn bso bsr bss bsu bsw bua bub buc bue bug buh bun buo bur bus buu buw bwa bwb bwc bwg bwh bwo bwr bws bwu c-- caa cab cac cae cag cah can cao car cas cau caw cba cbb cbc cbe cbg cbh cbn cbo cbr cbs cbu cbw cca ccb ccc cce ccg cch ccn cco ccr ccs ccu ccw ce- cea ceb cec cee ceg ceh cen ceo cer ces ceu cew cga cgb cgc cge cgg cgh cgn cgo cgr cgs cgu cgw ch- cha chb chc che chg chh chn cho chr chs chu chw cn- cna cnb cnc cne cng cnh cnn cno cnr cns cnu cnw co- coa cob coc coe cog coh con coo cor cos cou cow cra crb crc cre crg crh crn cro crr crs cru crw csa csb csc cse csg csh csn cso csr css csu csw cua cub cuc cue cug cuh cun cuo cur cus cuu cuw cw- cwa cwb cwc cwe cwg cwh cwn cwo cwr cws cwu eaa eab eac eae eag eah ean eao ear eas eau eaw eba ebb ebc ebe ebg ebh ebn ebo ebr ebs ebu ebw ec- eca ecb ecc ece ecg ech ecn eco ecr ecs ecu ecw eea eeb eec eee eeg een eeo eer ees eew ega egb egc ege egg egh egn ego egr egs egu egw eha ehb ehc ehe ehg ehh ehn eho ehr ehs ehu en- ena enb enc ene eng enh enn eno enr ens enu enw eo- eoa eob eoc eoe eog eoh eon eoo eor eos eou eow era erb erc ere erg erh ern ero err ers eru erw es- esa esb esc ese esg esh esn eso esr ess esu esw eu- eua eub euc eue eug eun eur eus ewa ewb ewc ewe ewo ewr ews ewu eww gaa gab gac gae gag gah gan gao gar gas gau gaw gba gbc gbe gbg gbh gbn gbo gbr gbs gbu gbw gca gcb gcc gce gcg gch gcn gco gcr gcs gcu gcw ge- gea geb gec gee geg geh gen geo ger ges geu gew gga ggb ggc ggg ggh ggn ggo ggr ggs ggu ggw gha ghb ghc ghe ghg ghh ghn gho ghr ghs gna gnb gnc gne gnn gno gnr gns gnu gnw goa gob goc goe gog goh gon goo gor gos gou gow gra grb grc gre grg grh grn gro grr grs gru grw gsa gsb gsc gse gsg gsn gso gsr gss gsu gsw gu- gua gub guc gue gug gun guo gur gus guu gwa gwb gwc gwe gwg gwn gwr gws gwu haa hab hac hae hag hah han hao har has hau haw hba hbb hbc hbe hbg hbh hbn hbo hbr hbs hbu hbw hca hcb hcc hce hcg hch hcn hco hcr hcs hcw he- hea heb hec hee heg heh hen heo her hes heu hew hga hgb hgc hge hgg hgh hgn hgo hgr hgs hgu hgw hha hhb hhc hhe hhg hhh hhn hho hhr hhs hhu hhw hna hnb hnc hne hng hnh hnn hno hns hnu hnw hoa hob hoc hoe hog hoh hon hoo hor hos hou how hr- hra hrb hrc hre hrg hrh hrn hro hrr hrs hru hrw hsa hsb hsc hse hsg hsh hsn hsr hss hsu hsw hua hub huc hue hug huh hun huo hur hus huu huw hw- hwa hwb hwe hwg hwn hwo hwr hws hwu hww naa nab nac nae nag nah nan nao nar nas nau naw nba nbb nbc nbe nbg nbn nbo nbr nbs nbu nbw nca ncb ncc nce ncg nch ncn nco ncr ncs ncu ncw ne- nea neb nec nee neg neh nen neo ner nes neu new nga ngb ngc nge ngg ngh ngn ngo ngs ngu ngw nha nhb nhc nhe nhg nhh nhn nhr nhs nhu nna nnb nnc nne nng nnh nnn nno nns nnu nnw no- noa nob noc noe nog noh non noo nor nos nou now nra nrb nrc nre nrg nrn nro nrr nrs nru nrw nsa nsb nsc nse nsg nsh nsn nso nsr nss nsu nsw nua nub nuc nue nug nuh nun nuo nur nus nuu nwa nwb nwc nwe nwn nwo nwr nws nwu oaa oab oac oae oag oah oan