-al -er -ol a-a a-b a-i aaa aab aae aaf aag aai aal aao aar aau ab- aba abb abe abf abg abi abl abo abr abu aea aeb aee aef aeg aei ael aeo aer aeu af- afa afb afe aff afg afi afl afo afr afu ag- aga agb age agf agg agi agl ago agr agu ai- aia aib aie aif aig aii ail aio air aiu al- ala alb ale alf alg ali all alo alr alu aoa aob aoe aof aog aoi aol aoo aor aou ar- ara arb are arf arg ari arl aro arr aru au- aua aub aue auf aug aui aul auo aur b-u baa bab bae baf bag bai bal bao bar bau bba bbb bbe bbf bbg bbi bbl bbo bbr bbu be- bea beb bee bef beg bei bel beo ber beu bfa bfb bfe bff bfg bfi bfl bfo bfr bfu bga bgb bge bgf bgg bgi bgl bgo bgr bgu bi- bia bib bie bif big bii bil bio bir biu bla blb ble blf blg bli bll blo blr blu boa bob boe bof bog boi bol boo bor bou bra brb bre brf brg bri brl bro brr bru bua bub bue buf bug bui bul buo bur buu eaa eab eae eaf eag eai eal eao ear eau eba ebb ebe ebf ebg ebi ebl ebo ebr ebu eea eeb eee eef eeg eel eeo eer ef- efa efb efe eff efg efi efl efo efr ega egb ege egf egg egi egl ego egr egu eia eib eie eif eig eii eil eio eir eiu ela elb ele elf elg eli ell elo elr elu eo- eoa eob eoe eof eog eoi eol eoo eor eou era erb ere erf erg eri erl ero err eru eu- eua eub eue euf eug eui eul eur faa fab fae faf fag fai fal fao far fau fba fbb fbe fbf fbg fbi fbl fbo fbr fbu fea feb fee fef feg fei fel feo fer feu ffa ffe fff ffg ffi ffl ffo ffr ffu fga fgb fge fgf fgg fgi fgl fgr fia fib fie fif fig fii fil fir fiu fla flb fle flf flg fli fll flo flr flu foa fob foe fof fog foi fol foo for fou fra frb fre frf frg fri frl fro frr fru fua fub fue fuf fug fui ful fuo fur fuu gaa gab gae gaf gag gai gal gao gar gau gba gbe gbf gbg gbi gbl gbo gbr gbu ge- gea geb gee gef geg gei gel geo ger geu gfa gfb gfe gff gfi gfl gfo gfr gga ggb ggg ggi ggo ggr ggu gia gib gie gif gig gii gil gio gir giu gla glb gle glf glg gli gll glo glr glu goa gob goe gof gog goi gol goo gor gou gra grb gre grf grg gri grl gro grr gru gu- gua gub gue guf gug gui gul guo gur guu i-f ia- iaa iab iae iaf iag iai ial iao iar iau iba ibb ibe ibf ibg ibi ibl ibo ibr ibu ie- iea iee ief ieg iei iel ier ifa ifb ife iff ifg ifi ifl ifo ifr ifu iga igb ige igf igg igi igl igo igr igu iia iib iie iif iii iil iio iir iiu il- ila ilb ile ilf ilg ili ill ilo ilr ilu io- ioa iob ioe iof iog ioi iol ioo ior iou ir- ira irb ire irf irg iri irl iro irr iru iu- iua iub iue iug iui iur la- laa lab lae laf lag lai lal lao lar lau lba lbb lbe lbf lbg lbi lbl lbo lbr lbu lea leb lee lef leg lei lel leo ler leu lfa lfb lfe lff lfg lfi lfl lfo lfr lfu lga lgb lge lgf lgg lgi lgl lgo lgr lgu lia lib lie lif lig lii lil lio lir liu lla llb lle llf llg lli lll llo llr llu loa lob loe lof log loi lol loo lor lou lra lrb lrf lrg lri lro lrr lru lua lub lue luf lug lui lul luo lur luu o-i oaa oab oae oaf oag oai oal oao oar oau ob- oba obb obe obf obg obi obl obo obr obu oea oeb oee oef oeg oei oel oeo oer of- ofa ofb ofe off ofg ofi ofl ofo ofr ofu oga oge ogf ogg ogi ogl ogo oia oib oie oif oii oil oio oir oiu ola olb ole olf olg oli oll olo olu oo- ooa oob oof oog ooi ool ooo oor or- ora orb ore orf org ori orl oro orr oru ou- oua oue ouf oui oul ouo our ra- raa rab rae raf rag rai ral rao rar rau rba rbb rbe rbf rbg rbi rbl rbo rbr rbu re- rea reb ree ref reg rei rel reo rer reu rfa rfb rfe rff rfg rfi rfl rfo rfr rfu rga rgb rge rgf rgg rgi rgo rgr ria rib rie rif rig rii ril rio rir rla rle rlf rlg rli rll rlo rlr rlu roa rob roe rof rog roi rol roo ror rou rra rrb rrf rrg rri rrl rrr rru rua rub rue ruf rug rui ruo rur ruu ua- uaa uab uae uaf uag uai ual uao uar uau uba ubb ube ubf ubg ubi ubl ubo ubr ubu uea ueb uee uef ueg uei uel uer ufa ufe uff ufg ufi ufl ufo ufr ufu uga ugb uge ugf ugg ugi ugl ugo ugr ugu uia uib uie uif uig uii uil uio uir uiu ula ulb ule ulf ulg uli ull ulo ulr ulu uoa uob uoe uog uol uoo uor ur- ura urb ure urf urg uri url uro urr uru uua uue uug uur uuu

a-be a-fu a-ii aaaa aaab aaae aaaf aaai aaal aaar aaba aabb aabi aabl aaea aafa