a-a a-b aaa aab aae aah aan aao aas aau ab- aba abb abe abh abn abo abs abu aea aeb aee aeh aen aeo aes aeu aha ahb ahe ahh ahn aho ahs ahu an- ana anb ane anh ann ano ans anu aoa aob aoe aoh aon aoo aos aou as- asa asb ase ash asn aso ass asu au- aua aub aue auh aun auo aus b-u baa bab bae bah ban bao bas bau bba bbb bbe bbh bbn bbo bbs bbu be- bea beb bee beh ben beo bes beu bha bhb bhe bhh bho bhs bhu bna bnb bne bnn bno bns bnu boa bob boe boh bon boo bos bou bsa bsb bse bsh bsn bso bss bsu bua bub bue buh bun buo bus buu eaa eab eae eah ean eao eas eau eba ebb ebe ebh ebn ebo ebs ebu eea eeb eee een eeo ees eha ehb ehe ehh ehn eho ehs ehu en- ena enb ene enh enn eno ens enu eo- eoa eob eoe eoh eon eoo eos eou es- esa esb ese esh esn eso ess esu eu- eua eub eue eun eus haa hab hae hah han hao has hau hba hbb hbe hbh hbn hbo hbs hbu he- hea heb hee heh hen heo hes heu hha hhb hhe hhh hhn hho hhs hhu hna hnb hne hnh hnn hno hns hnu hoa hob hoe hoh hon hoo hos hou hsa hsb hse hsh hsn hss hsu hua hub hue huh hun huo hus huu naa nab nae nah nan nao nas nau nba nbb nbe nbn nbo nbs nbu ne- nea neb nee neh nen neo nes neu nha nhb nhe nhh nhn nhs nhu nna nnb nne nnh nnn nno nns nnu no- noa nob noe noh non noo nos nou nsa nsb nse nsh nsn nso nss nsu nua nub nue nuh nun nuo nus nuu oaa oab oae oah oan oao oas oau ob- oba obb obe obh obn obo obs obu oea oeb oee oeh oen oeo oes oha ohe ohh ohn oho ohs ohu on- ona onb one onh onn ono ons onu oo- ooa oob ooh oon ooo oos os- osa osb ose osh osn oso oss osu ou- oua oue ouh oun ouo ous saa sab sae sah san sao sas sau sba sbb sbe sbh sbn sbo sbs sbu se- sea seb see seh sen seo ses seu sh- sha shb she shh shn sho shs shu sna snb sne snn sno sns snu soa sob soe soh son soo sos sou ss- ssa ssb sse ssh ssn sso sss ssu sua sub sue suh sun suo sus suu ua- uaa uab uae uah uan uao uas uau uba ubb ube ubh ubn ubo ubs ubu uea ueb uee ueh uen ues uha uhb uhe uhh uho uhs uhu un- una unb une unh unn uno uns unu uoa uob uoe uon uoo uos usa usb use ush usn uso uss usu uua uue uun uus uuu