-er a-a a-b a-q aaa aab aae aah aan aao aaq aar aau ab- aba abb abe abh abn abo abq abr abu aea aeb aee aeh aen aeo aeq aer aeu aha ahb ahe ahh ahn aho ahq ahr ahu an- ana anb ane anh ann ano anq anr anu aoa aob aoe aoh aon aoo aor aou aqa aqn aqo aqr ar- ara arb are arh arn aro arq arr aru au- aua aub aue auh aun auo aur b-u baa bab bae bah ban bao baq bar bau bba bbb bbe bbh bbn bbo bbq bbr bbu be- bea beb bee beh ben beo beq ber beu bha bhb bhe bhh bho bhq bhr bhu bna bnb bne bnn bno bnr bnu boa bob boe boh bon boo boq bor bou bqe bra brb bre brh brn bro brq brr bru bua bub bue buh bun buo bur buu eaa eab eae eah ean eao ear eau eba ebb ebe ebh ebn ebo ebq ebr ebu eea eeb eee een eeo eer eha ehb ehe ehh ehn eho ehr ehu en- ena enb ene enh enn eno enr enu eo- eoa eob eoe eoh eon eoo eoq eor eou eqa eqe eqn eqq equ era erb ere erh ern ero erq err eru eu- eua eub eue eun eur haa hab hae hah han hao haq har hau hba hbb hbe hbh hbn hbo hbr hbu he- hea heb hee heh hen heo her heu hha hhb hhe hhh hhn hho hhr hhu hna hnb hne hnh hnn hno hnu hoa hob hoe hoh hon hoo hor hou hr- hra hrb hre hrh hrn hro hrr hru hua hub hue huh hun huo huq hur huu naa nab nae nah nan nao nar nau nba nbb nbe nbn nbo nbr nbu ne- nea neb nee neh nen neo ner neu nha nhb nhe nhh nhn nhr nhu nna nnb nne nnh nnn nno nnu no- noa nob noe noh non noo nor nou nra nrb nre nrn nro nrr nru nua nub nue nuh nun nuo nuq nur nuu oaa oab oae oah oan oao oaq oar oau ob- oba obb obe obh obn obo obr obu oea oeb oee oeh oen oeo oer oha ohe ohh ohn oho ohq ohr ohu on- ona onb one onh onn ono onr onu oo- ooa oob ooh oon ooo oor oqb oqo or- ora orb ore orh orn oro orr oru ou- oua oue ouh oun ouo our qaa qah qan qar qau qba qbe qbq qee qeh qen qeo qnb qne qnh qoo qor qqq qqu qra qrb qre qrh qru qu- qua que quh quo qur ra- raa rab rae rah ran rao raq rar rau rba rbb rbe rbh rbn rbo rbr rbu re- rea reb ree reh ren reo req rer reu rh- rha rhb rhe rhh rhn rho rhr rhu rna rnb rnh rnn rno rnr rnu roa rob roe roh ron roo ror rou rqn rra rrb rrh rrn rrq rrr rru rua rub rue ruh run ruo rur ruu ua- uaa uab uae uah uan uao uaq uar uau uba ubb ube ubh ubn ubo ubr ubu uea ueb uee ueh uen uer uha uhb uhe uhh uho uhq uhr uhu un- una unb une unh unn uno unq unr unu uoa uob uoe uon uoo uor ur- ura urb ure urn uro urr uru uua uue uun uur uuu