a-a a-i aaa aad aaf aai aak aao aar aas aau ad- ada add adf adi adk ado adr ads adu af- afa afd aff afi afk afo afr afs afu ai- aia aid aif aii aik aio air ais aiu aka akd aki akk ako akr aks aku aoa aod aof aoi aok aoo aor aos aou ar- ara ard arf ari ark aro arr ars aru as- asa asd asf asi ask aso asr ass asu au- aua aud auf aui auk auo aur aus daa dad daf dai dak dao dar das dau dda ddd ddf ddi ddk ddo ddr dds ddu dfa dfd dff dfi dfk dfo dfr dfs dfu di- dia did dif dii dik dio dir dis diu dka dki dkk dko dkr dks dku doa dod dof doi dok doo dor dos dou dra drd dri drk dro drr drs dru dsa dsd dsf dsi dsk dso dsr dss dsu dua dud duf dui duk duo dur dus faa fad faf fai fak fao far fas fau fda fdd fdf fdi fdk fdo fdr fds fdu ffa ffd fff ffi ffk ffo ffr ffs ffu fia fid fif fii fik fir fis fiu fka fkf fki fkk foa fof foi fok foo for fos fou fra frd frf fri frk fro frr frs fru fsa fsd fsf fsi fsk fso fsr fss fsu fua fud fuf fui fuk fuo fur fus fuu i-d i-f ia- iaa iad iaf iai iao iar ias iau ida idd idf idi idk ido idr ids idu ifa ifd iff ifi ifo ifr ifs ifu iia iid iif iii iio iir iis iiu ika ikf iki ikk iko ikr iks iku io- ioa iod iof ioi ioo ior ios iou ir- ira ird irf iri irk iro irr irs iru is- isa isd isf isi isk iso isr iss isu iu- iua iud iui iur ius ka- kaa kad kaf kai kak kao kar kas kau kda kdf kdk kdo kdr kds kdu kfa kfd kff kfi kfo kfs kfu kia kid kif kii kik kio kir kis kiu kki kkk kkr kks kku koa kod kof koi kok koo kor kos kou kra krd krf kri krk kro krr krs kru ksa ksd ksf ksi ksk kso ksr kss ksu kud kui kuk kur kus kuu o-i oaa oad oaf oai oak oao oar oas oau oda odd odf odi odo odr ods odu of- ofa ofd off ofi ofo ofr ofs ofu oia oid oif oii oik oio oir ois oiu oka okd oki okk oko okr oks oku oo- ooa ood oof ooi ook ooo oor oos or- ora ord orf ori ork oro orr ors oru os- osa osd osf osi osk oso osr oss osu ou- oua oud ouf oui ouk ouo our ous ra- raa rad raf rai rak rao rar ras rau rda rdd rdf rdi rdo rdr rds rdu rfa rfd rff rfi rfk rfo rfr rfs rfu ria rid rif rii rik rio rir ris rkf rkk rko rks rku roa rod rof roi rok roo ror ros rou rra rrd rrf rri rrk rrr rrs rru rsa rsd rsf rsi rsk rso rsr rss rsu rua rud ruf rui ruk ruo rur rus ruu saa sad saf sai sak sao sar sas sau sda sdd sdf sdi sdk sdo sdr sds sdu sfa sfd sff sfi sfk sfo sfr sfs sfu sia sid sif sii sik sio sir sis siu sk- ska skd skf ski skk sko skr sks sku soa sod sof soi sok soo sor sos sou sr- sra srd srf sri srk sro srr srs ss- ssa ssd ssf ssi ssk sso ssr sss ssu sua sud suf sui suk suo sur sus suu ua- uaa uad uaf uai uak uao uar uas uau uda udd udf udi udk udo udr uds udu ufa ufd uff ufi ufo ufr ufs ufu uia uid uif uii uio uir uis uiu uka ukf uki ukk ukr uku uoa uod uok uoo uor uos ur- ura urd urf uri urk uro urr urs uru usa usd usf usi usk uso usr uss usu uua uur uus uuu