-al a-a a-b aaa aab aae aaf aah aal aas aau ab- aba abb abe abf abh abl abs abu aea aeb aee aef aeh ael aes aeu af- afa afb afe aff afh afl afs afu aha ahb ahe ahf ahh ahl ahs ahu al- ala alb ale alf alh all als alu as- asa asb ase asf ash asl ass asu au- aua aub aue auf auh aul aus b-u baa bab bae baf bah bal bas bau bba bbb bbe bbf bbh bbl bbs bbu be- bea beb bee bef beh bel bes beu bfa bfb bfe bff bfh bfl bfs bfu bha bhb bhe bhf bhh bhl bhs bhu bla blb ble blf blh bll bls blu bsa bsb bse bsf bsh bsl bss bsu bua bub bue buf buh bul bus buu eaa eab eae eaf eah eal eas eau eba ebb ebe ebf ebh ebl ebs ebu eea eeb eee eef eel ees ef- efa efb efe eff efh efl efs eha ehb ehe ehf ehh ehl ehs ehu ela elb ele elf elh ell els elu es- esa esb ese esf esh esl ess esu eu- eua eub eue euf eul eus faa fab fae faf fah fal fas fau fba fbb fbe fbf fbh fbl fbs fbu fea feb fee fef feh fel fes feu ffa ffe fff ffh ffl ffs ffu fha fhb fhe fhf fhh fhl fhs fla flb fle flf fll fls flu fsa fsb fse fsf fsh fsl fss fsu fua fub fue fuf ful fus fuu haa hab hae haf hah hal has hau hba hbb hbe hbf hbh hbl hbs hbu he- hea heb hee hef heh hel hes heu hfa hfb hfe hff hfh hfl hfs hfu hha hhb hhe hhf hhh hhl hhs hhu hla hlb hle hlf hlh hll hls hlu hsa hsb hse hsf hsh hsl hss hsu hua hub hue huf huh hul hus huu la- laa lab lae laf lah lal las lau lba lbb lbe lbf lbh lbl lbs lbu lea leb lee lef leh lel les leu lfa lfb lfe lff lfh lfl lfs lfu lha lhb lhf lhh lhs lhu lla llb lle llf lll lls llu lsa lsb lse lsf lsh lsl lss lsu lua lub lue luf luh lul lus luu saa sab sae saf sah sal sas sau sba sbb sbe sbf sbh sbl sbs sbu se- sea seb see sef seh sel ses seu sfa sfb sfe sff sfh sfl sfs sfu sh- sha shb she shf shh shl shs shu sla slb sle slf slh sll sls slu ss- ssa ssb sse ssf ssh ssl sss ssu sua sub sue suf suh sul sus suu ua- uaa uab uae uaf uah ual uas uau uba ubb ube ubf ubh ubl ubs ubu uea ueb uee uef ueh uel ues ufa ufe uff ufh ufl ufs ufu uha uhb uhe uhf uhh uhl uhs uhu ula ulb ule ulf ull uls ulu usa usb use usf ush usl uss usu uua uue uus uuu