-er a-a a-b a-c aaa aab aac aad aae aag aan aao aar aau aaw ab- aba abb abc abd abe abg abn abo abr abu abw ac- aca acb acc acd ace acg acn aco acr acu acw ad- ada adb adc add ade adg adn ado adr adu adw aea aeb aec aed aee aeg aen aeo aer aeu aew ag- aga agb agc agd age agg agn ago agr agu agw an- ana anb anc and ane ang ann ano anr anu aoa aob aoc aod aoe aog aon aoo aor aou aow ar- ara arb arc ard are arg arn aro arr aru arw au- aua aub auc aud aue aug aun auo aur auw aw- awa awb awc awd awe awg awn awo awr awu aww b-u baa bab bac bad bae bag ban bao bar bau baw bba bbb bbc bbd bbe bbg bbn bbo bbr bbu bbw bca bcb bcc bcd bce bcg bcn bco bcr bcu bda bdb bdc bdd bde bdg bdo bdr bdu bdw be- bea beb bec bed bee beg ben beo ber beu bew bga bgb bgc bgd bge bgg bgn bgo bgr bgu bgw bna bnb bnc bnd bne bng bnn bno bnr bnu bnw boa bob boc bod boe bog bon boo bor bou bow bra brb brd bre brg brn bro brr bru brw bua bub buc bud bue bug bun buo bur buu buw bwa bwb bwc bwd bwg bwo bwr bwu c-- caa cab cac cad cae cag can cao car cau caw cba cbb cbc cbd cbe cbg cbn cbo cbr cbu cbw cca ccb ccc ccd cce ccg ccn cco ccr ccu ccw cda cdb cdc cdd cde cdg cdn cdo cdr cdu cdw ce- cea ceb cec ced cee ceg cen ceo cer ceu cew cga cgb cgc cgd cge cgg cgn cgo cgr cgu cgw cn- cna cnb cnc cnd cne cng cnn cno cnr cnu cnw co- coa cob coc cod coe cog con coo cor cou cow cra crb crc crd cre crg crn cro crr cru crw cua cub cuc cud cue cug cun cuo cur cuu cuw cw- cwa cwb cwc cwd cwe cwg cwn cwo cwr cwu daa dab dac dad dae dag dan dao dar dau daw dba dbb dbc dbd dbe dbg dbn dbo dbr dbu dca dcb dcc dcd dce dcg dcn dco dcr dcu dcw dda ddb ddc ddd dde ddg ddn ddo ddr ddu ddw de- dea deb dec ded dee deg den deo der deu dew dga dgc dgd dge dgg dgn dgr dgu dgw dna dnb dnc dnd dne dng dnn dno dnr dnw doa dob doc dod doe dog don doo dor dou dow dra drb drc drd dre drg drn dro drr dru drw dua dub duc dud due dug dun duo dur dwa dwb dwc dwe dwg dwn dwo dwr dwu dww eaa eab eac ead eae eag ean eao ear eau eaw eba ebb ebc ebd ebe ebg ebn ebo ebr ebu ebw ec- eca ecb ecc ecd ece ecg ecn eco ecr ecu ecw ed- eda edb edc edd ede edg edn edo edr edu edw eea eeb eec eed eee eeg een eeo eer eew ega egb egc egd ege egg egn ego egr egu egw en- ena enb enc end ene eng enn eno enr enu enw eo- eoa eob eoc eod eoe eog eon eoo eor eou eow era erb erc erd ere erg ern ero err eru erw eu- eua eub euc eud eue eug eun eur ewa ewb ewc ewd ewe ewo ewr ewu eww g-d gaa gab gac gad gae gag gan gao gar gau gaw gba gbc gbd gbe gbg gbn gbo gbr gbu gbw gca gcb gcc gcd gce gcg gcn gco gcr gcu gcw gda gdb gdc gdd gde gdn gdo gdr gdu gdw ge- gea geb gec ged gee geg gen geo ger geu gew gga ggb ggc ggd ggg ggn ggo ggr ggu ggw gna gnb gnc gnd gne gnn gno gnr gnu gnw goa gob goc god goe gog gon goo gor gou gow gra grb grc grd gre grg grn gro grr gru grw gu- gua gub guc gud gue gug gun guo gur guu gwa gwb gwc gwd gwe gwg gwn gwr gwu naa nab nac nad nae nag nan nao nar nau naw nba nbb nbc nbd nbe nbg nbn nbo nbr nbu nbw nca ncb ncc ncd nce ncg ncn nco ncr ncu ncw nda ndb ndc ndd nde ndg ndn ndo ndr ndu ne- nea neb nec ned nee neg nen neo ner neu new nga ngb ngc ngd nge ngg ngn ngo ngu ngw nna nnb nnc nne nng nnn nno nnu nnw no- noa nob noc nod noe nog non noo nor nou now nra nrb nrc nrd nre nrg nrn nro nrr nru nrw nua nub nuc nud nue nug nun nuo nur nuu nwa nwb nwc nwd nwe nwn nwo nwr nwu oaa oab oac oad oae oag oan oao oar oau oaw ob- oba obb obc obd obe obg obn obo obr obu obw oc- oca ocb occ ocd ocg ocn oco ocr ocu ocw oda odb odc odd ode odg odn odo odr odu oea oeb oec oed oee oeg oen oeo oer oga ogc ogd oge ogg ogn ogo on- ona onb onc ond one ong onn ono onr onu oo- ooa oob ooc ood oog oon ooo oor oow or- ora orb orc ord ore org orn oro orr oru ou- oua ouc oud oue oun ouo our owa owb owc owd owe own owo owu oww ra- raa rab rac rad rae rag ran rao rar rau raw rba rbb rbc rbd rbe rbg rbn rbo rbr rbu rbw rca rcb rcc rcd rce rcg rcn rco rcr rcu rcw rda rdb rdc rdd rde rdg rdn rdo rdr rdu re- rea reb rec red ree