-al -er a-a a-i aaa aae aaf aag aai aak aal aar aea aee aef aeg aei aek ael aer af- afa afe aff afg afi afk afl afr ag- aga age agf agg agi agk agl agr ai- aia aie aif aig aii aik ail air aka ake akg aki akk akl akr al- ala ale alf alg ali alk all alr ar- ara are arf arg ari ark arl arr eaa eae eaf eag eai eak eal ear eea eee eef eeg eek eel eer ef- efa efe eff efg efi efl efr ega ege egf egg egi egl egr eia eie eif eig eii eik eil eir eka eke ekf ekg eki ekl ekr ela ele elf elg eli elk ell elr era ere erf erg eri erk erl err faa fae faf fag fai fak fal far fea fee fef feg fei fek fel fer ffa ffe fff ffg ffi ffk ffl ffr fga fge fgf fgg fgi fgl fgr fia fie fif fig fii fik fil fir fka fkf fkg fki fkk fkl fla fle flf flg fli fll flr fra fre frf frg fri frk frl frr gaa gae gaf gag gai gak gal gar ge- gea gee gef geg gei gek gel ger gfa gfe gff gfi gfk gfl gfr gga ggg ggi ggr gia gie gif gig gii gik gil gir gka gla gle glf glg gli glk gll glr gra gre grf grg gri grk grl grr i-f ia- iaa iae iaf iag iai ial iar ie- iea iee ief ieg iei iek iel ier ifa ife iff ifg ifi ifl ifr iga ige igf igg igi igk igl igr iia iie iif iii iil iir ika ike ikf iki ikk ikl ikr il- ila ile ilf ilg ili ilk ill ilr ir- ira ire irf irg iri irk irl irr ka- kaa kae kaf kag kai kak kal kar ke- kea kee kef keg kei kek kel ker kfa kff kfg kfi kga kgf kgi kgl kia kie kif kig kii kik kil kir kke kki kkk kkl kkr kl- kla klf klg kli klr kra krf krg kri krk krl krr la- laa lae laf lag lai lak lal lar lea lee lef leg lei lek lel ler lfa lfe lff lfg lfi lfk lfl lfr lga lge lgf lgg lgi lgk lgl lgr lia lie lif lig lii lik lil lir lka lkg lkl lkr lla lle llf llg lli llk lll llr lra lrf lrg lri lrk lrr ra- raa rae raf rag rai rak ral rar re- rea ree ref reg rei rek rel rer rfa rfe rff rfg rfi rfk rfl rfr rga rge rgf rgg rgi rgk rgr ria rie rif rig rii rik ril rir rke rkf rkg rkk rla rle rlf rlg rli rll rlr rra rrf rrg rri rrk rrl rrr