-ous aaaa aaap aaas aaoo aapa aapo aaps aasa aass aasu aaup aaus aopo aosp aoss aous apao apap apas apax apo- apoo apop apos apou apox appa apps appu appx apsa apso apss apsu apua apup apus apxs asaa asao asap asas asau asop asos asou aspa aspo asps assa asso assp asss assu asus auaa aups ausa ausu auxa axo- axoa axos axps axxo oaau oaps oass ooaa oooo ooos oops oosa oous opap opo- opos oppa oppo opps opsa opsu opua opus osap osas osoo osos ossa osso ossu oupa ousa ouu- oxa- oxo- oxos oxox oxus oxxo paap paas paos paox papa papp paps pasa paso pasp pass paua paup paus paxo poas poop poos pop- popa popo popp pops posa poso poss poup pous ppap ppoa ppos pppa pppo pppp ppps ppss psap psas psoa psos psou pspp psps pssa psso puao puas pupa pups pupu pusa puss s-os sa-x saap saas saos saou sapa sapo sapp saps sasa saso sass saua saup saus saux saxa saxo soap soas soop soos sopa sopo sopp sops sopu sosa soso soss soup sous soxs sp-a spap spas spau spax spoo spop spos spox spps spsa spso spsp spss spus ssaa ssao ssap ssas ssau ssop sspa sspo ssps sspx sssa ssss suas suos sup- supa supo supp sups sus- susa suso susp suss susu suus sux- uasa uasp uaua upas upos uppa uppp uppu upsa upup us-a usaa usap usas usos uspa uspo uspp usps ussa usss ussu usua usus uuuu uxus xaos xapo xosa xoxo xpax xsup xuxa xuxu xxxo xxxx